Heisenberg Ferromagnet with Anisotropic Biquadratic Exchange in a Transverse Magnetic Field

Quantum Breathers in an Anisotropic Ferromagnetic Heisenberg Chain with Biquadratic Exchange Interaction

Anisotropic Heisenberg Ferromagnetic Model in a Transverse Field

Critical behavior of anisotropic Heisenberg ferromagnet with a transverse field

Quantum criticality of a planar Heisenberg ferromagnet in a transverse magnetic field

Classical one-dimensional Heisenberg magnet with biquadratic exchange interaction

Dynamical Structure Factor of the anisotropic spin-1/2 Heisenberg chain in a transverse magnetic field