DENSITY-FUNCTIONAL THEORY OF FREEZING OF VORTEX LIQUID IN QUASI-2-DIMENSIONAL SUPERCONDUCTORS

被引:25
作者
HERBUT, IF
TESANOVIC, Z
机构
[1] Department of Physics and Astronomy, Johns Hopkins University, Baltimore
关键词
D O I
10.1103/PhysRevLett.73.484
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present a theory of the vortex-liquid-to-solid transition in homogeneous quasi-2D superconductors. The free energy is written as a functional of the density of zeros of the fluctuating order parameter. The transition is weakly first order and well below the H(c2)(T) line. Transition temperature, discontinuities of the average Abrikosov ratio and of the average Cooper pair density, the Debye-Waller factor, and the latent heat are in good agreement with Monte Carlo simulations. The density is only weakly modulated in the ''vortex-solid'' phase, consistent with the density-wave behavior.
引用
收藏
页码:484 / 487
页数:4
相关论文
共 33 条
[21]   MONTE-CARLO SEARCH FOR THE FLUX-LATTICE-MELTING TRANSITION IN 2-DIMENSIONAL SUPERCONDUCTORS [J].
ONEILL, JA ;
MOORE, MA .
PHYSICAL REVIEW LETTERS, 1992, 69 (17) :2582-2585
[22]   1ST-PRINCIPLES ORDER-PARAMETER THEORY OF FREEZING [J].
RAMAKRISHNAN, TV ;
YUSSOUFF, M .
PHYSICAL REVIEW B, 1979, 19 (05) :2775-2794
[23]   PERTURBATION SERIES FOR CRITICAL BEHAVIOR OF TYPE-2 SUPERCONDUCTORS NEAR HC2 [J].
RUGGERI, GJ ;
THOULESS, DJ .
JOURNAL OF PHYSICS F-METAL PHYSICS, 1976, 6 (11) :2063-2079
[24]   EXPERIMENTAL-EVIDENCE FOR A 1ST-ORDER VORTEX-LATTICE-MELTING TRANSITION IN UNTWINNED, SINGLE-CRYSTAL YBA2CU3O7 [J].
SAFAR, H ;
GAMMEL, PL ;
HUSE, DA ;
BISHOP, DJ ;
RICE, JP ;
GINSBERG, DM .
PHYSICAL REVIEW LETTERS, 1992, 69 (05) :824-827
[25]  
SAFAR H, 1988, PHYS REV LETT, V60, P144
[26]   FREEZING OF THE VORTEX LIQUID IN HIGH-TC SUPERCONDUCTORS - A DENSITY-FUNCTIONAL APPROACH [J].
SENGUPTA, S ;
DASGUPTA, C ;
KRISHNAMURTHY, HR ;
MENON, GI ;
RAMAKRISHNAN, TV .
PHYSICAL REVIEW LETTERS, 1991, 67 (24) :3444-3447
[27]   CRITICAL FLUCTUATIONS IN THE THERMODYNAMICS OF QUASI-2-DIMENSIONAL TYPE-II SUPERCONDUCTORS [J].
TESANOVIC, Z ;
XING, L ;
BULAEVSKII, L ;
LI, Q ;
SUENAGA, M .
PHYSICAL REVIEW LETTERS, 1992, 69 (24) :3563-3566
[28]   NATURE OF THE SUPERCONDUCTING TRANSITION IN THE PRESENCE OF A MAGNETIC-FIELD [J].
TESANOVIC, Z .
PHYSICAL REVIEW B, 1991, 44 (22) :12635-12638
[29]   THERMODYNAMIC SCALING FUNCTIONS IN THE CRITICAL REGION OF TYPE-II SUPERCONDUCTORS [J].
TESANOVIC, Z ;
ANDREEV, AV .
PHYSICAL REVIEW B, 1994, 49 (06) :4064-4075
[30]   CRITICAL FLUCTUATIONS IN STRONGLY TYPE-II QUASI-2-DIMENSIONAL SUPERCONDUCTORS [J].
TESANOVIC, Z ;
LEI, X .
PHYSICAL REVIEW LETTERS, 1991, 67 (19) :2729-2732