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Realization of a complete Stern-Gerlach interferometer: Towards a test of quantum gravity
Yair Margalit, Or Dobkowski, Zhifan Zhou +8
The Stern-Gerlach effect, discovered a century ago, has become a paradigm of quantum mechanics. Surprisingly there has been little evidence that the original scheme with freely pro…
Optimal quantum spatial search with one-dimensional long-range interactions
Dylan Lewis, Asmae Benhemou, Natasha Feinstein +2
Continuous-time quantum walks can be used to solve the spatial search problem, which is an essential component for many quantum algorithms that run quadratically faster than their…
Information-Theoretic Memory Scaling in the Many-Body Localization Transition
Alexander Nico-Katz, Abolfazl Bayat, Sougato Bose
A key feature of the many-body localized phase is the breaking of ergodicity and consequently the emergence of local memory; revealed as the local preservation of information over…
Quantum Estimation in Strong Fields: in situ ponderomotive sensing
A. S. Maxwell, A. Serafini, S. Bose +1
We develop a new framework to optimize and understand uncertainty from in situ strong field measurements of laser field parameters. We present the first derivation of quantum and c…
Loss of coherence and coherence protection from a graviton bath
Marko Toroš, Anupam Mazumdar, Sougato Bose
We consider a quantum harmonic oscillator coupled with a graviton bath and discuss the loss of coherence in the matter sector due to the matter-graviton vertex interaction. Working…
Relative Acceleration Noise Mitigation for Nanocrystal Matter-wave Interferometry: Application to Entangling Masses via Quantum Gravity
Marko Toroš, Thomas W. van de Kamp, Ryan J. Marshman +3
Matter wave interferometers with large momentum transfers, irrespective of specific implementations, will face a universal dephasing due to relative accelerations between the inter…