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- P. V. Parimi, Weiquan Lu, Plarenta Vodo, Jody Sokoloff, John Derov, Srivatsan Sridhar
- Physical review letters
- 2004

We demonstrate the negative refraction of microwaves in a metallic photonic crystal prism. The spectral response of the photonic crystal prism, which manifests both positive and negative refraction,â€¦ (More)

- Weiquan Lu, Srivatsan Sridhar, M. Zworski
- Physical review letters
- 2003

We present a conjecture relating the density of quantum resonances for an open chaotic system to the fractal dimension of the associated classical repeller. Mathematical arguments justifying thisâ€¦ (More)

- Alain Pumir, Sitabhra Sinha, +6 authors Valentin Krinsky
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

A free vortex in excitable media can be displaced and removed by a wave train. However, simple physical arguments suggest that vortices anchored to large inexcitable obstacles cannot be removedâ€¦ (More)

We present a phenomenological model of imbalanced MHD turbulence in an incompressible magnetofluid. The steady state cascades, of waves traveling in opposite directions along the mean magnetic field,â€¦ (More)

- Weiquan Lu, J B Sokoloff, Srivatsan Sridhar
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2004

We analyze refraction of electromagnetic wave packets on passing from an isotropic positive to an isotropic negative-refractive-index medium. We definitively show that in all cases the energy isâ€¦ (More)

- Srivatsan Sridhar, Duy-Manh Le, Yun-Chieh Mi, Sitabhra Sinha, Pik-Yin Lai, C. K. Chan
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2013

Alternans response, comprising a sequence of alternating long and short action potential durations in heart tissue, seen during rapid periodic pacing can lead to conduction block resulting inâ€¦ (More)

- Alain Pumir, Sitabhra Sinha, +6 authors Valentin Krinsky
- 2009

Alain Pumir, Sitabhra Sinha, S. Sridhar, MÃ©dÃ©ric Argentina, Marcel HÃ¶rning, Simonetta Filippi, Christian Cherubini, Stefan Luther and Valentin Krinsky Laboratoire de Physique, ENS de Lyon and CNRS,â€¦ (More)

The quantum resonances of classically chaotic n-disk geometries were studied experimentally utilizing thin 2D microwave geometries. The experiments yield the frequencies and widths of lowlyingâ€¦ (More)

- Srivatsan Sridhar, Sitabhra Sinha, Alexander V. Panfilov
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2010

We study the drift of spiral waves in a simple model of heterogeneous excitable medium, having gradients in the distribution of ion-channel expression or cellular coupling. We report the anomalousâ€¦ (More)

- Nishant K. Singh, Srivatsan Sridhar
- Physical review. E, Statistical, nonlinear, andâ€¦
- 2011

We build on the formulation developed in S. Sridhar and N. K. Singh [J. Fluid Mech. 664, 265 (2010)] and present a theory of the shear dynamo problem for small magnetic and fluid Reynolds numbers,â€¦ (More)