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cond-mat.str-el2003★ 1 cited
Quantum phase transition in easy-axis antiferromagnetic integer-spin chains
M. Capone, S. Caprara, L. Cataldi
Antiferromagnetic Heisenberg integer-spin chains are characterized by a spin-liquid ground state with no long-range order, due to the relevance of quantum fluctuations. Spin anisot…
cond-mat.supr-con2003
Collective transport and optical absorption near the stripe criticality
C. Di Castro, S. Caprara, M. Grilli
Within the stripe quantum critical point scenario for high superconductors, we point out the possible direct contribution of charge collective fluctuations to the optical abs…