Engineering New Anisotropic Superfluid Phases of 3He

Project: Research project

Project Details


Superfluid 3He is a known topological quantum condensed system that is predicted to host Majorana fermionic excitations in the form of quasiparticle bound states, a subject central to research in quantum information. The proposal, Engineering New Anisotropic Superfluid Phases of 3He, is a platform for basic research and instrumentation development. Recent experimental and theoretical work in a number of laboratories in the USA, Finland, Russia, Japan, and the UK have found new thermodynamic phases with unusual broken symmetries. At the cutting edge of this effort, the proposed program will identify new superfluid phases and measure their required properties to enable theoretical understanding. For the present proposal these tools include nuclear magnetic resonance and transverse acoustics. Anisotropic quasiparticle scattering of 3He in the superfluid will be engineered using positively and negatively strained silica aerogels grown in-house in order to stabilize new topological phases. Surface acoustic waves will be generated to search for evidence of Majorana particles. This work will provide the basic science for better understanding of topological superconducting materials with unconventional symmetries.
Effective start/end date12/1/1911/30/22


  • National Science Foundation (DMR-1903053-003)


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