GROUND-STATE OF XY MAGNET AND HEISENBERG ANTIFERROMAGNET ON SQUARE LATTICE

[1] AN APPROXIMATE QUANTUM THEORY OF THE ANTIFERROMAGNETIC GROUND STATE [J]. PHYSICAL REVIEW, 1952, 86 (05): : 694 - 701

[2] BARTKOWSKI RR, 1972, PHYS REV B, V5, P4526

[3] BETTS DD, 1974, PHASE TRANSITIONS CR, V3

[4] EXPERIMENTS ON SIMPLE MAGNETIC MODEL SYSTEMS [J]. ADVANCES IN PHYSICS, 1974, 23 (01) : 1 - 260

[5] MARSHALL W, 1955, PROC R SOC LON SER-A, V232, P48, DOI 10.1098/rspa.1955.0200

[6] ABSENCE OF FERROMAGNETISM OR ANTIFERROMAGNETISM IN ONE- OR 2-DIMENSIONAL ISOTROPIC HEISENBERG MODELS [J]. PHYSICAL REVIEW LETTERS, 1966, 17 (22) : 1133 - &

[7] PEARSON RG, COMMUNICATION

[1] AN APPROXIMATE QUANTUM THEORY OF THE ANTIFERROMAGNETIC GROUND STATE [J]. PHYSICAL REVIEW, 1952, 86 (05): : 694 - 701

[2] BARTKOWSKI RR, 1972, PHYS REV B, V5, P4526

[3] BETTS DD, 1974, PHASE TRANSITIONS CR, V3

[4] EXPERIMENTS ON SIMPLE MAGNETIC MODEL SYSTEMS [J]. ADVANCES IN PHYSICS, 1974, 23 (01) : 1 - 260

[5] MARSHALL W, 1955, PROC R SOC LON SER-A, V232, P48, DOI 10.1098/rspa.1955.0200

[6] ABSENCE OF FERROMAGNETISM OR ANTIFERROMAGNETISM IN ONE- OR 2-DIMENSIONAL ISOTROPIC HEISENBERG MODELS [J]. PHYSICAL REVIEW LETTERS, 1966, 17 (22) : 1133 - &

[7] PEARSON RG, COMMUNICATION