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8 papers · 2 filters
Field-induced quantum soliton lattice in a frustrated two-leg spin-1/2 ladder
F. Casola, T. Shiroka, A. Feiguin +10
The field-induced quantum phase transitions (QPT) of the spin ladder material Bi(Cu(1-x)Znx)2PO6 have been investigated via 31P nuclear magnetic resonance (NMR) on single-crystal s…
Class of variational ansaetze for the "spin-incoherent" ground-state of a Luttinger liquid coupled to a spin bath
Mohammad Soltanieh-ha, Adrian E. Feiguin
Interacting one-dimensional electron systems are generally referred to as "Luttinger liquids", after the effective low-energy theory in which spin and charge behave as separate deg…
One-dimensional itinerant interacting non-Abelian anyons
Didier Poilblanc, Adrian Feiguin, Matthias Troyer +2
We construct models of interacting itinerant non-Abelian anyons moving along one-dimensional chains. We focus on itinerant Ising (Majorana) and Fibonacci anyons, which are, respect…
Lindhard and RPA susceptibility computations in extended momentum space in electron doped cuprates
Yung Jui Wang, B. Barbiellini, Hsin Lin +6
We present an approximation for efficient calculation of the Lindhard susceptibility in a periodic system through the use of simple products of real space functions an…
Dimensional crossover of spin chains in a transverse staggered field: an NMR study
F. Casola, T. Shiroka, V. Glazkov +6
Heisenberg spin-1/2 chain materials are known to substantially alter their static and dynamic properties when experiencing an effective transverse staggered field originating from…
Hall effect characterization of electronic transition behind the metamagnetic transition in FeRh
M. A. de Vries, M. L. Loving, A. P. Mihai +3
The antiferromagnetic ground state and the metamagnetic transition to the ferromagnetic state of CsCl-ordered FeRh epilayers have been characterized using Hall and magnetoresistanc…