Possible Quantum Paramagnetism in Compressed Sr2IrO4

Haskel, D.; Fabbris, G.; Kim, J. H.; Veiga, L. S.  I.; Mardegan, J. R.  L.; Escanhoela, C. A.; Chikara, S.; Struzhkin, V.; Senthil, T.; Kim, B. J.; Cao, G.; Kim, J. -W.

doi:10.1103/PhysRevLett.124.067201

Title: Possible Quantum Paramagnetism in Compressed ${Sr}_{2} {IrO}_{4}$

Abstract

The result of compression on the magnetic ground state of ${Sr}_{2} {IrO}_{4}$ is studied with x-ray resonant techniques in the diamond anvil cell. The weak interlayer exchange coupling between square-planar 2D ${IrO}_{2}$ layers is easily modified upon compression, with a crossover between magnetic structures around 7 GPa mimicking the effect of an applied magnetic field at ambient pressure. Higher pressures drive an order-disorder magnetic phase transition with no magnetic order detected above 17–20 GPa. The persistence of strong exchange interactions between $J_{eff} = 1 / 2$ magnetic moments within the insulating ${IrO}_{2}$ layers up to at least 35 GPa points to a highly frustrated magnetic state in compressed ${Sr}_{2} {IrO}_{4}$ , opening the door for realization of novel quantum paramagnetic phases driven by extended $5 d$ orbitals with entangled spin and orbital degrees of freedom.

Authors:

^[1];

^[1]; Kim, J. H. ^[1]; Veiga, L. S. I. ^[2]; Mardegan, J. R. L. ^[3]; Escanhoela, C. A. ^[4];

^[1]; Struzhkin, V. ^[5]; Senthil, T. ^[6]; Kim, B. J. ^[7]; Cao, G. ^[8]; Kim, J. -W. ^[1]

Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Brazilian Synchrotron Light Lab. (LNLS), Campinas, SP (Brazil); Univ. of Campinas (UNICAMP), Sao Paulo (Brazil). Instituto de Física Gleb Wataghin; Univ. College London, Bloomsbury (United Kingdom). London Centre for Nanotechnology and Dept. of Physics and Astronomy
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Univ. of Campinas (UNICAMP), Sao Paulo (Brazil). Instituto de Física Gleb Wataghin
Argonne National Lab. (ANL), Argonne, IL (United States). Advanced Photon Source (APS); Brazilian Synchrotron Light Lab. (LNLS), Campinas, SP (Brazil)
Carnegie Inst. of Science, Washington, DC (United States). Geophysical Lab.
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Dept. of Physics
Inst. for Basic Science (IBS), Pohang (South Korea). Center for Artificial Low Dimensional Electronic Systems; Pohang Univ. of Science and Technology (South Korea)
Univ. of Colorado, Boulder, CO (United States). Dept. of Physics

Publication Date:: Tue Feb 11 00:00:00 EST 2020

Research Org.:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)

OSTI Identifier:: 1607469

Alternate Identifier(s):: OSTI ID: 1599480

Grant/Contract Number:: AC02-06CH11357; DMR-1712101; DMR-1903888; IBS-R014-A2

Resource Type:: Accepted Manuscript

Journal Name:: Physical Review Letters

Additional Journal Information:: Journal Volume: 124; Journal Issue: 6; Journal ID: ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

Subject:: 36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY

Citation Formats


                    Haskel, D., Fabbris, G., Kim, J. H., Veiga, L. S.  I., Mardegan, J. R.  L., Escanhoela, C. A., Chikara, S., Struzhkin, V., Senthil, T., Kim, B. J., Cao, G., and Kim, J. -W. Possible Quantum Paramagnetism in Compressed Sr2IrO4.  United States: N. p., 2020. 
Web.  doi:10.1103/PhysRevLett.124.067201.

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                    Haskel, D., Fabbris, G., Kim, J. H., Veiga, L. S.  I., Mardegan, J. R.  L., Escanhoela, C. A., Chikara, S., Struzhkin, V., Senthil, T., Kim, B. J., Cao, G., & Kim, J. -W. Possible Quantum Paramagnetism in Compressed Sr2IrO4.  United States.  https://doi.org/10.1103/PhysRevLett.124.067201

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                    Haskel, D., Fabbris, G., Kim, J. H., Veiga, L. S.  I., Mardegan, J. R.  L., Escanhoela, C. A., Chikara, S., Struzhkin, V., Senthil, T., Kim, B. J., Cao, G., and Kim, J. -W. Tue .  
"Possible Quantum Paramagnetism in Compressed Sr2IrO4".  United States.  https://doi.org/10.1103/PhysRevLett.124.067201.  https://www.osti.gov/servlets/purl/1607469.

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@article{osti_1607469,

  title        = {Possible Quantum Paramagnetism in Compressed Sr2IrO4},

  author       = {Haskel, D. and Fabbris, G. and Kim, J. H. and Veiga, L. S.  I. and Mardegan, J. R.  L. and Escanhoela, C. A. and Chikara, S. and Struzhkin, V. and Senthil, T. and Kim, B. J. and Cao, G. and Kim, J. -W.},

  abstractNote = {The result of compression on the magnetic ground state of Sr2IrO4 is studied with x-ray resonant techniques in the diamond anvil cell. The weak interlayer exchange coupling between square-planar 2D IrO2 layers is easily modified upon compression, with a crossover between magnetic structures around 7 GPa mimicking the effect of an applied magnetic field at ambient pressure. Higher pressures drive an order-disorder magnetic phase transition with no magnetic order detected above 17–20 GPa. The persistence of strong exchange interactions between Jeff=1/2 magnetic moments within the insulating IrO2 layers up to at least 35 GPa points to a highly frustrated magnetic state in compressed Sr2IrO4, opening the door for realization of novel quantum paramagnetic phases driven by extended 5d orbitals with entangled spin and orbital degrees of freedom.},

  doi          = {10.1103/PhysRevLett.124.067201},

  journal      = {Physical Review Letters},

  number       = 6,

  volume       = 124,

  place        = {United States},

  year         = {Tue Feb 11 00:00:00 EST 2020},

  month        = {Tue Feb 11 00:00:00 EST 2020}

}

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arXiv
DOI: 10.48550/arxiv.quant-ph/9707021

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Title: Possible Quantum Paramagnetism in Compressed Sr 2 IrO 4

Abstract

Citation Formats

A thermodynamic theory of “weak” ferromagnetism of antiferromagnetics journal, January 1958

Pressure tuning of bond-directional exchange interactions and magnetic frustration in the hyperhoneycomb iridate β − Li 2 IrO 3 journal, October 2017

Spin-gap and two-dimensional magnetic excitations in Sr 2 IrO 4 journal, December 2018

Structural and magnetic studies of Sr 2 IrO 4 journal, April 1994

Lattice-driven magnetoresistivity and metal-insulator transition in single-layered iridates journal, September 2011

Pressure-induced collapse of the spin-orbital Mott state in the hyperhoneycomb iridate β − Li 2 IrO 3 journal, March 2019

Mott physics and band topology in materials with strong spin–orbit interaction journal, March 2010

Spin-liquid phase for the frustrated quantum Heisenberg antiferromagnet on a square lattice journal, April 1993

Low-Temperature Broken-Symmetry Phases of Spiral Antiferromagnets journal, December 2004

Magnetic Excitation Spectra of Sr 2 IrO 4 Probed by Resonant Inelastic X-Ray Scattering: Establishing Links to Cuprate Superconductors journal, April 2012

Miniature diamond anvil cell for broad range of high pressure measurements journal, April 2009

Moriya’s anisotropic superexchange interaction, frustration, and Dzyaloshinsky’s weak ferromagnetism journal, August 1992

X-ray circular dichroism and local magnetic fields journal, February 1993

Competition between spin-orbit coupling, magnetism, and dimerization in the honeycomb iridates: α − Li 2 IrO 3 under pressure journal, January 2018

Nuclear resonant scattering from $^{193}Ir$ as a probe of the electronic and magnetic properties of iridates text, January 2019

Breakdown of Magnetic Order in the Pressurized Kitaev Iridate β − Li 2 IrO 3 journal, June 2018

Phase-Sensitive Observation of a Spin-Orbital Mott State in Sr2IrO4 journal, March 2009

Collapse of the Mott Gap and Emergence of a Nodal Liquid in Lightly Doped Sr 2 IrO 4 journal, October 2015

Large- N expansion for frustrated quantum antiferromagnets journal, April 1991

Observation of a d-wave gap in electron-doped Sr2IrO4 journal, October 2015

Invited Article: High-pressure techniques for condensed matter physics at low temperature journal, April 2010

Magnetic structural change of Sr 2 IrO 4 upon Mn doping journal, December 2012

Z 2 gauge theory of electron fractionalization in strongly correlated systems journal, September 2000

Magnetic spectroscopy at high pressures using X-ray magnetic circular dichroism journal, September 2008

Realization of a three-dimensional spin–anisotropic harmonic honeycomb iridate journal, June 2014

Quantum phases of the planar antiferromagnetic J 1 − J 2 − J 3 Heisenberg model journal, February 2011

Pressure Tuning of the Spin-Orbit Coupled Ground State in Sr 2 IrO 4 journal, July 2012

The Resonating Valence Bond State in La2CuO4 and Superconductivity journal, March 1987

Neutron Powder Diffraction Study of the Crystal Structures of Sr2RuO4 and Sr2IrO4 at Room Temperature and at 10 K journal, October 1994

Topology of the resonating valence-bond state: Solitons and high- T c superconductivity journal, June 1987

New material for probing spin-orbit coupling in iridates journal, April 2015

Pressure-induced structural dimerization in the hyperhoneycomb iridate β − Li 2 IrO 3 at low temperatures journal, August 2019

Extended degeneracy and order by disorder in the square lattice J 1 − J 2 − J 3 model journal, September 2016

Spin liquids in frustrated magnets journal, March 2010

Square Lattice Iridates journal, March 2019

Decoupling of the antiferromagnetic and insulating states in Tb-doped S r 2 Ir O 4 journal, December 2015

Novel J eff = 1 / 2 Mott State Induced by Relativistic Spin-Orbit Coupling in Sr 2 IrO 4 journal, August 2008

Magnetic and crystal structures of Sr 2 IrO 4 : A neutron diffraction study journal, April 2013

Anisotropy-Tuned Magnetic Order in Pyrochlore Iridates journal, June 2015

Spin-orbit coupling induced semi-metallic state in the 1/3 hole-doped hyper-kagome Na3Ir3O8 journal, October 2014

Hyperhoneycomb Iridate β − Li 2 IrO 3 as a Platform for Kitaev Magnetism journal, February 2015

Giant magnetic response of a two-dimensional antiferromagnet journal, June 2018

Valence-bond and spin-Peierls ground states of low-dimensional quantum antiferromagnets journal, April 1989

Ruby under pressure journal, June 2008

Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure journal, May 2019

Advances in high-resolution RIXS for the study of excitation spectra under high pressure journal, July 2016

Resonant x-ray scattering reveals possible disappearance of magnetic order under hydrostatic pressure in the Kitaev candidate γ − Li 2 IrO 3 journal, July 2017

Weak ferromagnetism, metal-to-nonmetal transition, and negative differential resistivity in single-crystal Sr 2 IrO 4 journal, May 1998

Ab initio Studies on the Interplay between Spin-Orbit Interaction and Coulomb Correlation in Sr 2 IrO 4 and Ba 2 IrO 4 journal, February 2012

Kitaev-Heisenberg models for iridates on the triangular, hyperkagome, kagome, fcc, and pyrochlore lattices journal, January 2014

Orbital Magnetism and Spin-Orbit Effects in the Electronic Structure of BaIrO 3 journal, November 2010

The magnetic motif and the wavefunction of Kramers ions in strontium iridate (Sr 2 IrO 4 ) journal, June 2011

Fault-tolerant quantum computation by anyons journal, January 2003

Robustness of Basal-Plane Antiferromagnetic Order and the J eff = 1 / 2 State in Single-Layer Iridate Spin-Orbit Mott Insulators journal, March 2013

Helicity-Modulation Technique Using Diffractive Phase Retarder for Measurements of X-ray Magnetic Circular Dichroism journal, December 1998

Giant magnetoelectric effect in the J eff = 1 2 Mott insulator Sr 2 IrO 4 journal, October 2009

Twisted Hubbard Model for Sr 2 IrO 4 : Magnetism and Possible High Temperature Superconductivity journal, March 2011

Anisotropic Superexchange Interaction and Weak Ferromagnetism journal, October 1960

Nuclear resonant scattering from 193Ir as a probe of the electronic and magnetic properties of iridates journal, March 2019

X-ray circular dichroism as a probe of orbital magnetization journal, March 1992

The COMPRES/GSECARS gas-loading system for diamond anvil cells at the Advanced Photon Source journal, September 2008

Equations of State for Cu, Ag, and Au for Wide Ranges in Temperature and Pressure up to 500 GPa and Above journal, March 2001

Spin Waves and Electronic Interactions in La 2 CuO 4 journal, June 2001

Mott Insulators in the Strong Spin-Orbit Coupling Limit: From Heisenberg to a Quantum Compass and Kitaev Models journal, January 2009

Instrument for x-ray magnetic circular dichroism measurements at high pressures journal, August 2007

Spin Excitations in the Square-Lattice Heisenberg Model with Ring-Exchange Interactions conference, June 2014

Direct evidence for dominant bond-directional interactions in a honeycomb lattice iridate Na2IrO3 journal, May 2015

Quantum Spin Hall Effect in a Transition Metal Oxide Na 2 IrO 3 journal, June 2009

Spin Liquid State in an Organic Mott Insulator with a Triangular Lattice journal, September 2003

Exact diagonalization of finite frustrated spin-(1/2 Heisenberg models journal, March 1990

Plaquette valence-bond crystal in the frustrated Heisenberg quantum antiferromagnet on the square lattice journal, October 2006

Persistent non-metallic behavior in Sr 2 IrO 4 and Sr 3 Ir 2 O 7 at high pressures journal, June 2014

The electronic structure of the high-symmetry perovskite iridate Ba 2 IrO 4 journal, January 2014

The electronic structure of the high-symmetry perovskite iridate Ba2IrO4 text, January 2014

A new material for probing spin-orbit coupling in Iridates text, January 2015

Observation of a $d$-wave gap in electron-doped Sr$_2$IrO$_4$ text, January 2015

Exact diagonalization study of the Hubbard-parametrized four-spin ring exchange model on a square lattice text, January 2018

Title: Possible Quantum Paramagnetism in Compressed ${Sr}_{2} {IrO}_{4}$

A thermodynamic theory of “weak” ferromagnetism of antiferromagnetics
journal, January 1958

Pressure tuning of bond-directional exchange interactions and magnetic frustration in the hyperhoneycomb iridate $β - {Li}_{2} {IrO}_{3}$
journal, October 2017

Spin-gap and two-dimensional magnetic excitations in ${Sr}_{2} {IrO}_{4}$
journal, December 2018

Structural and magnetic studies of ${Sr}_{2}$ ${IrO}_{4}$
journal, April 1994

Lattice-driven magnetoresistivity and metal-insulator transition in single-layered iridates
journal, September 2011

Pressure-induced collapse of the spin-orbital Mott state in the hyperhoneycomb iridate $β - {Li}_{2} {IrO}_{3}$
journal, March 2019

Mott physics and band topology in materials with strong spin–orbit interaction
journal, March 2010

Spin-liquid phase for the frustrated quantum Heisenberg antiferromagnet on a square lattice
journal, April 1993

Low-Temperature Broken-Symmetry Phases of Spiral Antiferromagnets
journal, December 2004

Magnetic Excitation Spectra of ${Sr}_{2} {IrO}_{4}$ Probed by Resonant Inelastic X-Ray Scattering: Establishing Links to Cuprate Superconductors
journal, April 2012

Miniature diamond anvil cell for broad range of high pressure measurements
journal, April 2009

Moriya’s anisotropic superexchange interaction, frustration, and Dzyaloshinsky’s weak ferromagnetism
journal, August 1992

X-ray circular dichroism and local magnetic fields
journal, February 1993

Competition between spin-orbit coupling, magnetism, and dimerization in the honeycomb iridates: $α - {Li}_{2} {IrO}_{3}$ under pressure
journal, January 2018

Nuclear resonant scattering from $^{193}Ir$ as a probe of the electronic and magnetic properties of iridates
text, January 2019

Breakdown of Magnetic Order in the Pressurized Kitaev Iridate $β − {Li}_{2} {IrO}_{3}$
journal, June 2018

Phase-Sensitive Observation of a Spin-Orbital Mott State in Sr2IrO4
journal, March 2009

Collapse of the Mott Gap and Emergence of a Nodal Liquid in Lightly Doped ${Sr}_{2} {IrO}_{4}$
journal, October 2015

Large- N expansion for frustrated quantum antiferromagnets
journal, April 1991

Observation of a d-wave gap in electron-doped Sr2IrO4
journal, October 2015

Invited Article: High-pressure techniques for condensed matter physics at low temperature
journal, April 2010

Magnetic structural change of Sr $_{2}$ IrO $_{4}$ upon Mn doping
journal, December 2012

$Z_{2}$ gauge theory of electron fractionalization in strongly correlated systems
journal, September 2000

Magnetic spectroscopy at high pressures using X-ray magnetic circular dichroism
journal, September 2008

Realization of a three-dimensional spin–anisotropic harmonic honeycomb iridate
journal, June 2014

Quantum phases of the planar antiferromagnetic $J_{1} - J_{2} - J_{3}$ Heisenberg model
journal, February 2011

Pressure Tuning of the Spin-Orbit Coupled Ground State in ${Sr}_{2} {IrO}_{4}$
journal, July 2012

The Resonating Valence Bond State in La2CuO4 and Superconductivity
journal, March 1987

Neutron Powder Diffraction Study of the Crystal Structures of Sr2RuO4 and Sr2IrO4 at Room Temperature and at 10 K
journal, October 1994

Topology of the resonating valence-bond state: Solitons and high- $T_{c}$ superconductivity
journal, June 1987

New material for probing spin-orbit coupling in iridates
journal, April 2015

Pressure-induced structural dimerization in the hyperhoneycomb iridate $β − Li_{2} IrO_{3}$ at low temperatures
journal, August 2019

Extended degeneracy and order by disorder in the square lattice $J_{1} - J_{2} - J_{3}$ model
journal, September 2016

Spin liquids in frustrated magnets
journal, March 2010

Square Lattice Iridates
journal, March 2019

Decoupling of the antiferromagnetic and insulating states in Tb-doped $S r_{2} Ir O_{4}$
journal, December 2015

Novel $J_{eff} = 1 / 2$ Mott State Induced by Relativistic Spin-Orbit Coupling in ${Sr}_{2} {IrO}_{4}$
journal, August 2008

Magnetic and crystal structures of ${Sr}_{2} {IrO}_{4}$ : A neutron diffraction study
journal, April 2013

Anisotropy-Tuned Magnetic Order in Pyrochlore Iridates
journal, June 2015

Spin-orbit coupling induced semi-metallic state in the 1/3 hole-doped hyper-kagome Na3Ir3O8
journal, October 2014

Hyperhoneycomb Iridate $β − {Li}_{2} {IrO}_{3}$ as a Platform for Kitaev Magnetism
journal, February 2015

Giant magnetic response of a two-dimensional antiferromagnet
journal, June 2018

Valence-bond and spin-Peierls ground states of low-dimensional quantum antiferromagnets
journal, April 1989

Ruby under pressure
journal, June 2008

Lattice frustration in spin-orbit Mott insulator Sr3Ir2O7 at high pressure
journal, May 2019

Advances in high-resolution RIXS for the study of excitation spectra under high pressure
journal, July 2016

Resonant x-ray scattering reveals possible disappearance of magnetic order under hydrostatic pressure in the Kitaev candidate $γ - {Li}_{2} {IrO}_{3}$
journal, July 2017

Weak ferromagnetism, metal-to-nonmetal transition, and negative differential resistivity in single-crystal ${Sr}_{2} {IrO}_{4}$
journal, May 1998

Ab initio Studies on the Interplay between Spin-Orbit Interaction and Coulomb Correlation in ${Sr}_{2} {IrO}_{4}$ and ${Ba}_{2} {IrO}_{4}$
journal, February 2012

Kitaev-Heisenberg models for iridates on the triangular, hyperkagome, kagome, fcc, and pyrochlore lattices
journal, January 2014

Orbital Magnetism and Spin-Orbit Effects in the Electronic Structure of ${BaIrO}_{3}$
journal, November 2010

The magnetic motif and the wavefunction of Kramers ions in strontium iridate (Sr ₂ IrO ₄ )
journal, June 2011

Fault-tolerant quantum computation by anyons
journal, January 2003

Robustness of Basal-Plane Antiferromagnetic Order and the $J_{eff} = 1 / 2$ State in Single-Layer Iridate Spin-Orbit Mott Insulators
journal, March 2013

Helicity-Modulation Technique Using Diffractive Phase Retarder for Measurements of X-ray Magnetic Circular Dichroism
journal, December 1998

Giant magnetoelectric effect in the $J_{eff} = \frac{1}{2}$ Mott insulator ${Sr}_{2} {IrO}_{4}$
journal, October 2009

Twisted Hubbard Model for ${Sr}_{2} {IrO}_{4}$ : Magnetism and Possible High Temperature Superconductivity
journal, March 2011

Anisotropic Superexchange Interaction and Weak Ferromagnetism
journal, October 1960

Nuclear resonant scattering from 193Ir as a probe of the electronic and magnetic properties of iridates
journal, March 2019

X-ray circular dichroism as a probe of orbital magnetization
journal, March 1992

The COMPRES/GSECARS gas-loading system for diamond anvil cells at the Advanced Photon Source
journal, September 2008

Equations of State for Cu, Ag, and Au for Wide Ranges in Temperature and Pressure up to 500 GPa and Above
journal, March 2001

Spin Waves and Electronic Interactions in ${La}_{2} {CuO}_{4}$
journal, June 2001

Mott Insulators in the Strong Spin-Orbit Coupling Limit: From Heisenberg to a Quantum Compass and Kitaev Models
journal, January 2009

Instrument for x-ray magnetic circular dichroism measurements at high pressures
journal, August 2007

Spin Excitations in the Square-Lattice Heisenberg Model with Ring-Exchange Interactions
conference, June 2014

Direct evidence for dominant bond-directional interactions in a honeycomb lattice iridate Na2IrO3
journal, May 2015

Quantum Spin Hall Effect in a Transition Metal Oxide ${Na}_{2} {IrO}_{3}$
journal, June 2009

Spin Liquid State in an Organic Mott Insulator with a Triangular Lattice
journal, September 2003

Exact diagonalization of finite frustrated spin-(1/2 Heisenberg models
journal, March 1990

Plaquette valence-bond crystal in the frustrated Heisenberg quantum antiferromagnet on the square lattice
journal, October 2006

Persistent non-metallic behavior in Sr ₂ IrO ₄ and Sr ₃ Ir ₂ O ₇ at high pressures
journal, June 2014

The electronic structure of the high-symmetry perovskite iridate Ba ₂ IrO ₄
journal, January 2014

The electronic structure of the high-symmetry perovskite iridate Ba2IrO4
text, January 2014

A new material for probing spin-orbit coupling in Iridates
text, January 2015

Observation of a $d$-wave gap in electron-doped Sr$_2$IrO$_4$
text, January 2015

Exact diagonalization study of the Hubbard-parametrized four-spin ring exchange model on a square lattice
text, January 2018

Plaquette valence bond solid in the frustrated Heisenberg quantum antiferromagnet on the square lattice
text, January 2006

Spin liquid phase for the frustrated Quantum Heisenberg Antiferromagnet on a square lattice
text, January 1992