Event

Feb 18, 2020 3:45 pm - Nielsen Hall 170 (Neal F. Lane Auditorium) - Colloquium
Chong Zu - University of California, Berkeley
Quantum sensing at high pressures

The nitrogen-vacancy center has emerged as a promising nanoscale quantum sensor for temperature, strain, electric and magnetic fields. By integrating NV centers directly into a diamond anvil cell (DAC) --- the workhorse of high pressure science --- we demonstrate the in situ imaging of both strain and magnetism inside the pressure chamber, up to ~50 GPa and for temperatures ranging from 25-340K. In addition to operating the NV in a DC-sensing modality, we also use it to perform temperature dependent noise spectroscopy of Gadolinium, directly observing the Curie transition via changes in the Johnson noise. In contrast to conventional probes at high pressure, the NV-DAC platform allows for diffraction-limited spatial resolution within the high pressure chamber. Time permitting, I will describe our recent work using a strongly coupled ensemble of NV and P1 centers (substitutional nitrogen defects) as a quantum simulation platform to explore emergent hydrodynamics.

Events

Upcoming...

Astronomy Journal Club

Apr 03, 2020 12:30 pm

Nielsen Hall 103 - Anthony Burrow & Joseph Choi

CMP Journal Club

Apr 09, 2020 12:30 pm

Lin Hall 105 - Geo Jose

Colloquium

Apr 09, 2020 3:45 pm

Nielsen Hall 170 (Neal F. Lane Auditorium) - Jessica Metcalfe
Multi-Boson Physics at the Large Hadron Collider

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