Néel to spin-Peierls transition in a quasi-one-dimensional Heisenberg model coupled to bond phonons

• Main Authors: Pillay, Jason Cornelius, Wierschem, Keola, Sengupta, Pinaki
• Other Authors: School of Physical and Mathematical Sciences
• Format: Article
• Language: English
• Published: 2014
• Subjects: DRNTU::Science::Physics
• Online Access: https://hdl.handle.net/10356/79925; http://hdl.handle.net/10220/18712
• Institution: Nanyang Technological University

The zero and finite temperature spin-Peierls transitions in a quasi-one-dimensional spin- 1/ 2 Heisenberg model coupled to adiabatic bond phonons is investigated using the stochastic series expansion (SSE) quantum Monte Carlo (QMC) method. The quantum phase transition from a gapless Neel state...