14 citations · 18 across the 3 of their papers we have counts for
3 papers
Amplitude mode at the superfluid-insulator transition on a random lattice
Vishnu Pulloor Kuttanikkad, Rajesh Narayanan, Thomas Vojta
We study the superfluid-insulator quantum phase transition of interacting bosons by means of large-scale Monte Carlo simulations in the presence of both topological and generic que…
Phases and Phase Transitions of the Disordered Quantum Clock Model
Vishnu Pulloor Kuttanikkad, Gaurav Khairnar, Rajesh Narayanan +1
We study the phases and phase transitions of a disordered one-dimensional quantum -state clock Hamiltonian using large-scale Monte Carlo simulations. Making contact with earlier…
Quantum phase transition in the spin boson model
S. Florens, D. Venturelli, R. Narayanan
In this paper we give a general introduction to quantum critical phenomena, which we practically illustrate by a detailed study of the low energy properties of the spin boson model…