5 citations · 5 across the 1 of their papers we have counts for
3 papers
cond-mat.dis-nn2004★ 5 cited
Randomness-driven quantum phase transition in bond-alternating Haldane chain
Takayuki Arakawa, Synge Todo, Hajime Takayama
The effect of bond randomness on the spin-gapped ground state of the spin-1 bond-alternating antiferromagnetic Heisenberg chain is discussed. By using the loop cluster quantum Mont…
cond-mat.stat-mech2001
Real-Space Renormalization Group Study of Effects of Anisotropy on S=1 Random Antiferromagnetic Chain
Shigeru Koikegami, Synge Todo, Hajime Takayama
We investigate S=1 antiferromagnetic quantum spin chain, whose exchange couplings are strongly disordered. By the real-space renomalization group method, introduced by Ma, Dasgupta…
cond-mat.dis-nn1998
Quantum Monte Carlo Study of Random Antiferromagnetic Heisenberg Chain
Synge Todo, Kiyoshi Kato, Hajime Takayama
Effects of randomness on the spin-1/2 and 1 antiferromagnetic Heisenberg chains are studied using the quantum Monte Carlo method with the continuous-time loop algorithm. We precise…