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Field and temperature dependence of the NMR relaxation rate in the magnetic quadrupolar liquid phase of spin-1/2 frustrated ferromagnetic chains
Masahiro Sato, Toshiya Hikihara, Tsutomu Momoi
It is generally difficult to experimentally distinguish magnetic multipolar orders in spin systems. Recently, it was proposed that the temperature dependence of the nuclear magneti…
Coefficients of bosonized dimer operators in spin-1/2 XXZ chains and their applications
Shintaro Takayoshi, Masahiro Sato
Comparing numerically evaluated excitation gaps of dimerized spin-1/2 XXZ chains with the gap formula for the low-energy effective sine-Gordon theory, we determine coefficients d_x…
Quantum phase transitions of the asymmetric three-leg spin tube
Tôru Sakai, Masahiro Sato, Kouichi Okunishi +3
We investigate quantum phase transitions of the S=1/2 three-leg antiferromagnetic spin tube with asymmetric inter-chain (rung) exchange interactions. On the basis of the electron t…