Field-Induced Quantum Criticality of Systems with Ferromagnetically Coupled Structural Spin Units

Abstract

The field-induced quantum criticality of compounds with ferromagnetically coupled structural spin units (as dimers and ladders) is explored by applying Wilson's renormalization group framework to an appropriate effective action. We determine the low-temperature phase boundary and the behavior of relevant quantities decreasing the temperature with the applied magnetic field fixed at its quantum critical point value. In this context, a plausible interpretation of some recent experimental results is also suggested.

to be published in Physics Letters A

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Cited by in corpus (3)

• Bose-Einstein condensation of magnons in magnets with predominant ferromagnetic interaction
• Effectof biquadratic exchange on the phase diagram of a spin-1 transverse XY modelwith single-ion anisotropy
• Semi-Dirac spin liquids and frustrated quantum magnetism on the trellis lattice