Inverse symmetry breaking

The work "High temperature symmetry nonrestoration and inverse symmetry breaking in the CornwallJackiw-Tomboulis formalism" uses the finite temperature CJT effective action to shed new light on the Z2 x Z2 model in connection with the domain wall and other problems. Section II is dedicated to the calculation and normalization of the CJT effective action and Sec. III to the study of high temperature SNR and ISB. The results are discussed in Sec. IV where some conclusions are spelled out.

6p runordie5 04-07-2022 5 3   Download

Quantum phase transition and dynamical stability in Bose-Einstein condensates (BECs) are studied within the framework of the Cornwall-Jackiw-Tomboulis (CJT) effective action approach. The effective potential is found in the double-bubble diagram approximation. Numerical results show that in this approximation stability is strongly influenced by the chemical potential and the quantum phase transition is of second order.

8p tamynhan9 02-12-2020 19 4   Download

The patterns of high temperature symmetry non-restoration (SNR) and inverse symmetry braking (ISB) in the Z2 × Z2 model are investigated in detail for a specified parameters.

9p nguyenxuankha_bevandan 14-08-2020 10 1   Download