23 citations · 37 across the 4 of their papers we have counts for
4 papers · 1 filter
Chiral Y junction of quantum spin chains
F. Buccheri, R. Egger, R. G. Pereira +1
We study a Y junction of spin-1/2 Heisenberg chains with an interaction that breaks both time-reversal and chain exchange symmetries, but not their product nor SU(2) symmetry. The…
The Frustration of being Odd: Universal Area Law violation in local systems
Salvatore Marco Giampaolo, Flávia Braga Ramos, Fabio Franchini
At the core of every frustrated system, one can identify the existence of frustrated rings that are usually interpreted in terms of single--particle physics. We check this point of…
Dynamical structure factors in the nematic phase of frustrated ferromagnetic spin chains
Flávia B. Ramos, Sebas Eliëns, Rodrigo G. Pereira
Frustrated spin systems can show phases with spontaneous breaking of spin-rotational symmetry without the formation of local magnetic order. We study the dynamic response of the sp…
Quantum spin circulator in Y junctions of Heisenberg chains
F. Buccheri, R. Egger, R. G. Pereira +1
We show that a quantum spin circulator, a nonreciprocal device that routes spin currents without any charge transport, can be achieved in Y junctions of identical spin- Heisen…