Shvartsberg Aleksandr Vladimirovich

Publications in Math-Net.Ru

1. Phase transitions in the 2D $J_1$–$J_2$ Heisenberg model with arbitrary signs of exchange interactions
   
   Pis'ma v Zh. Èksper. Teoret. Fiz., 98:3 (2013),  178–182
2. Phase diagram of a frustrated two-dimensional $J_1$-$J_2$-$J_3$ quantum antiferromagnet: An approach based on spherically symmetric green's functions
   
   Pis'ma v Zh. Èksper. Teoret. Fiz., 93:7 (2011),  419–425
3. Frustrated quantum two-dimensional $J_1$-$J_2$-$J_3$ antiferromagnet in a spherically symmetric self-consistent approach
   
   TMF, 168:3 (2011),  389–416