Collective phenomena in the LiHoxY1− xF4 quantum Ising magnet: Recent progress and open questions
MJP Gingras, P Henelius - Journal of Physics: Conference Series, 2011 - iopscience.iop.org
In LiHo x Y 1− x F 4, the magnetic Holmium Ho 3+ ions behave as effective Ising spins that
can point parallel or antiparallel to the crystalline c-axis. The predominant inter-Ho 3+ …
can point parallel or antiparallel to the crystalline c-axis. The predominant inter-Ho 3+ …
Quantum and Classical Glass Transitions in
C Ancona-Torres, DM Silevitch, G Aeppli… - Physical Review Letters, 2008 - APS
When performed in the proper low-field, low-frequency limits, measurements of the
dynamics and the nonlinear susceptibility in the model Ising magnet in a transverse field …
dynamics and the nonlinear susceptibility in the model Ising magnet in a transverse field …
Evidence of Spin Glass Dynamics in Dilute
ac susceptibility measurements are presented on the dilute, dipolar coupled, Ising magnet
LiHo x Y 1-x F 4 for a concentration x= 0.045. The frequency and temperature dependences …
LiHo x Y 1-x F 4 for a concentration x= 0.045. The frequency and temperature dependences …
Derivation of the low- phase diagram of : A dipolar quantum Ising magnet
The LiHo x Y 1− x F 4 compound is widely considered to be the archetypal dipolar quantum
Ising system, with longitudinal dipolar interactions V ijzz between Ho spins {i, j} competing …
Ising system, with longitudinal dipolar interactions V ijzz between Ho spins {i, j} competing …
Perturbative quantum Monte Carlo study of in a transverse magnetic field
Results from a recent quantum Monte Carlo (QMC) study [PB Chakraborty, Phys. Rev. B 70,
144411 (2004)] of a model of the LiHoF 4 Ising magnetic material in an external transverse …
144411 (2004)] of a model of the LiHoF 4 Ising magnetic material in an external transverse …
Quantum phase transitions in transverse field spin models: from statistical physics to quantum information
We review quantum phase transitions of spin systems in transverse magnetic fields taking
the examples of the spin-1/2 Ising and XY models in a transverse field. Beginning with an …
the examples of the spin-1/2 Ising and XY models in a transverse field. Beginning with an …
Experimental phase diagram and dynamics of a dilute dipolar-coupled Ising system
We present ac susceptibility and specific-heat measurements taken on samples of LiHo x Y
1− x F 4 in the dilute limit: x= 0.018, 0.045, 0.080, and 0.12. Susceptibility measurements …
1− x F 4 in the dilute limit: x= 0.018, 0.045, 0.080, and 0.12. Susceptibility measurements …
Low-temperature properties of the dilute dipolar magnet
A Biltmo, P Henelius - Physical Review B—Condensed Matter and Materials …, 2008 - APS
We analyze recent experiments on the dilute rare-earth compound LiHo x Y 1− x F 4 in the
context of an effective Ising dipolar model. Using a Monte Carlo method we calculate the low …
context of an effective Ising dipolar model. Using a Monte Carlo method we calculate the low …
Magnetic domain dynamics in an insulating quantum ferromagnet
The statistics and form of avalanches in a driven system reveal the nature of the underlying
energy landscape and dynamics. In conventional metallic ferromagnets, eddy-current back …
energy landscape and dynamics. In conventional metallic ferromagnets, eddy-current back …
Quantum dynamics in strongly driven random dipolar magnets
M Buchhold, CS Tang, DM Silevitch, TF Rosenbaum… - Physical Review B, 2020 - APS
The random dipolar magnet LiHo x Y 1− x F 4 enters a strongly frustrated regime for small
Ho 3+ concentrations with x< 0.05. In this regime, the magnetic moments of the Ho 3+ ions …
Ho 3+ concentrations with x< 0.05. In this regime, the magnetic moments of the Ho 3+ ions …