Transition from the orientationally disordered to the quadrupolar glass phase in solid hydrogen
Journal Article
·
· Physical Review, B: Condensed Matter; (United States)
- Institute of Physics, Pedagogical University of Zielona Gora, Plac Slowianski, 65-069 Zielona Gora (Poland)
A quantum Hamiltonian, starting from the electric quadrupole-quadrupole interaction between molecules in solid hydrogen, is constructed for an ortho-para hydrogen mixture with the quadrupolar momenta of the orthohydrogen species randomly frozen out. With use of this Hamiltonian, the effective functional Landau-Ginzburg-Wilson Hamiltonian has been derived. A field-theoretic renormalization-group analysis leads to a conjecture that the system undergoes a discontinuous transition from the orientationally disordered to the quadrupolar glass phase. This transition is smeared out by the influence of the random local crystal field.
- OSTI ID:
- 6988695
- Journal Information:
- Physical Review, B: Condensed Matter; (United States), Vol. 46:22; ISSN 0163-1829
- Country of Publication:
- United States
- Language:
- English
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