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pro vyhledávání: '"Seshadri, Ranjani"'
Autor:
Seshadri, Ranjani
The phenomenon of Parametric Resonance (PR) is very well studied in classical systems with one of the textbook examples being the stabilization of a Kapitza's pendulum in the inverted configuration when the suspension point is oscillated vertically.
Externí odkaz:
http://arxiv.org/abs/2408.06228
We study the effect of a Rashba spin-orbit coupling on the nodal superconducting phase of an Ising superconductor. Such nodal phase was predicted to occur when applying an in-plane field beyond the Pauli limit to a superconducting monolayer transitio
Externí odkaz:
http://arxiv.org/abs/2401.05685
Autor:
Seshadri, Ranjani, Pereg-Barnea, T.
The effect of a time-periodic perturbation, such as radiation, on a system otherwise at equilibrium has been studied in the context of Floquet theory with stationary states replaced by Floquet states and the energy replaced by quasienergy. These quas
Externí odkaz:
http://arxiv.org/abs/2307.08042
Autor:
Seshadri, Ranjani
We study the effect of driving a two-dimensional honeycomb system out of equilibrium using an elliptically polarized light as a time-dependent perturbation. In particular, we try to understand the topological phase diagram of this driven system when
Externí odkaz:
http://arxiv.org/abs/2212.13976
Autor:
Seshadri, Ranjani, Sen, Diptiman
We study a two-dimensional topological system driven out of equilibrium by the application of elliptically polarized light. In particular, we analyze the Bernevig-Hughes-Zhang model when it is perturbed using an elliptically polarized light of freque
Externí odkaz:
http://arxiv.org/abs/2206.03473
Publikováno v:
SciPost Phys. 12, 197 (2022)
Transition metal dichalcogenides (TMDs) offer a unique platform to study unconventional superconductivity, owing to the presence of strong spin-orbit coupling and a remarkable stability to an in-plane magnetic field. A recent study found that when an
Externí odkaz:
http://arxiv.org/abs/2201.11514
Publikováno v:
Phys. Rev. B 100, 115403 (2019)
We study the effects of periodic driving on a variant of the Bernevig-Hughes-Zhang (BHZ) model defined on a square lattice. In the absence of driving, the model has both topological and nontopological phases depending on the different parameter value
Externí odkaz:
http://arxiv.org/abs/1901.10495
Autor:
Seshadri, Ranjani, Sen, Diptiman
Publikováno v:
Phys. Rev. B 97, 134411 (2018)
We study the phases of a spin system on the Kagome lattice with nearest-neighbor $XXZ$ interactions with anisotropy ratio $\Delta$ and Dzyaloshinsky-Moriya interactions with strength $D$. In the classical limit where the spin $S$ at each site is very
Externí odkaz:
http://arxiv.org/abs/1711.11232
Akademický článek
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Autor:
Seshadri, Ranjani, Sen, Diptiman
Publikováno v:
J. Phys. Condens. Matter 29, 155303 (2017)
We use both continuum and lattice models to study the energy-momentum dispersion and the dynamics of a wave packet for an electron moving in graphene in the presence of spin-orbit couplings and either a single potential barrier or a periodic array of
Externí odkaz:
http://arxiv.org/abs/1607.05904