Spin Superfluidity in Coplanar Multiferroics

Abstract

Multiferroics with coplanar magnetic order are discussed in terms of a superfluid condensate, with special emphasis on spin supercurrents created by phase gradients of the condensate and the effect of external electric fields. By drawing the analogy to a superconducting condensate, phenomena such as persistent currents in rings, the Little-Parks effect, fluxoid quantization, the Josephson-like effect through spin domain walls, and interference behavior in a SQUID-like geometry are analyzed for coplanar multiferroics.

5 pages, 2 figures

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• Spin current and magneto-electric effect in non-collinear magnets
• Direct electronic measurement of the spin Hall effect
• On A Proper Definition of Spin Current
• Vector chiral and multipolar orders in the spin-1/2 frustrated ferromagnetic chain in magnetic field
• Correlation between spin helicity and electric polarization vector in quantum-spin chain magnet LiCu${}_2$O${}_2$
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Cited by in corpus (20)

• Superfluid spin transport through antiferromagnetic insulators
• Josephson and Persistent Spin Currents in Bose-Einstein Condensates of Magnons
• Dissipationless Multiferroic Magnonics
• Spin Superfluidity in the $\nu =0$ Quantum Hall State of Graphene
• Magnetic Domain Walls as Hosts of Spin Superfluids and Generators of Skyrmions
• Thermally-Activated Phase Slips in Superfluid Spin Transport in Magnetic Wires
• Nonlocal Magnetoresistance Mediated by Spin Superfluidity
• Exact treatment of magnetism-driven ferroelectricity in the one-dimensional compass model
• Topological spin transport by Brownian diffusion of domain walls
• Magnon transport through microwave pumping
• Energy Storage via Topological Spin Textures
• Electrically Driven Bose-Einstein Condensation of Magnons in Antiferromagnets
• Topological Effects on Quantum Phase Slips in Superfluid Spin Transport
• Winding up quantum spin helices: How avoided level crossings exile classical topological protection
• Magnetic Domain Wall Floating on a Spin Superfluid
• Spin Analogues of Superconductivity and the Integer Quantum Hall Effect in an Array of Spin Chains
• Inductance Due to Spin Current
• Superfluid-like spin transport in the dynamic states of easy-axis magnets
• Electromagnetic response in dipole superfluids: vortex lattices and singular domain walls
• Tunneling between chiral magnets: Spin current generation without external fields