Quantum critical phenomena in one-dimensional Bose systems

Journal Article · Mon Oct 01 04:00:00 EDT 1990 · Physical Review Letters; (USA)

DOI:https://doi.org/10.1103/PhysRevLett.65.1765· OSTI ID:6355840

Batrouni, G G ^[1]; Scalettar, R T; Zimanyi, G T ^[2]

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1. Lawrence Livermore National Laboratory, Livermore, CA (USA)
2. Physics Department, University of California, Davis, CA (USA)

We use quantum Monte Carlo techniques to study the critical properties of an interacting-boson model in one dimension. The phase diagram consists of a series of (Mott-) insulating phases at commensurate fillings and of a superfluid phase. From the critical behavior of the superfluid density and the compressibility, we measure the exponents {nu} and {ital z}, which agree with predictions based on a scaling analysis.

• DOE Contract Number: W-7405-ENG-48
• OSTI ID: 6355840
• Journal Information: Physical Review Letters; (USA), Journal Name: Physical Review Letters; (USA) Vol. 65:14; ISSN PRLTA; ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

640450* -- Fluid Physics-- Superfluidity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ABSOLUTE ZERO TEMPERATURE
COMPRESSIBILITY
CORRELATIONS
DATA
DIAGRAMS
ELASTIC SCATTERING
ENERGY
INFORMATION
INTERACTING BOSON MODEL
KINETIC ENERGY
MATHEMATICAL MODELS
MECHANICAL PROPERTIES
MONTE CARLO METHOD
MOTT SCATTERING
NUCLEAR MODELS
NUMERICAL DATA
ONE-DIMENSIONAL CALCULATIONS
PHASE DIAGRAMS
SCATTERING
SHELL MODELS
SUPERFLUIDITY
THEORETICAL DATA