The shape of atoms, the shape of light, and the shape of spacetime
Hunter Swan, Jason Hogan, Mark A. Kasevich, Amir H. Safavi-Naeini et autres
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Hunter Swan, Jason Hogan, Mark A. Kasevich, Amir H. Safavi-Naeini et autres
A symmetric distribution of charges or currents typically produces an electromagnetic field having the same symmetry group. However, under special circumstances we show that a discrete symmetry of the source distribution leads to a larger continuous symmetry for the resulting field in …
We demonstrate that atom interferometer phase shear can be expressed directly as an integral of spacetime sectional curvature over the surface enclosed by the interferometer arms and final beamsplitter, up to small corrections due to photon redshift which we can also compute …
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Atom interferometry is a natural laboratory for precision tests of general relativity, but there is no simple relationship between atom interferometer phase and geometric properties of spacetime. Here we show that a different atom interferometer observable, the phase shear, can be expressed …
Jim Kowalkowski, Mahiro Abe, P. Adamson, Marcel Borcean et autres
FERMILAB-POSTER-25-0022-ETD Complex sub-systems comprise this experiment Right: Upper shaft area, with experiment installed on Northern corner of shaft and conceptual view of access platforms. Railing around curved wall of shaft at ground level is omitted for clarity.
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Jim Kowalkowski, Mahiro Abe, P. Adamson, Marcel Borcean et autres
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Jan Rudolph, Benjamin E. Garber, Michael J. Van de Graaff, Hunter Swan et autres
The S 1 0 − P 3 0 clock transition in strontium serves as the foundation for the world’s best atomic clocks and for gravitational wave detector concepts in clock atom interferometry. This transition is weakly allowed in the fermionic isotope Sr …
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Jan Rudolph, Samuel P. Carman, Benjamin E. Garber, Michael J. Van de Graaff et autres
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Hunter Swan, Andrii Torchylo, Michael J. Van de Graaff, Jan Rudolph et autres
A phase-only spatial light modulator (SLM) provides a powerful way to shape laser beams into arbitrary intensity patterns but at the cost of a hard computational problem of determining an appropriate SLM phase. Here, we show that optimal transport methods can generate …
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Hunter Swan, Andrii Torchylo, Michael J. Van de Graaff, Jan Rudolph et autres
A phase-only spatial light modulator (SLM) provides a powerful way to shape laser beams into arbitrary intensity patterns, but at the cost of a hard computational problem of determining an appropriate SLM phase. Here we show that optimal transport methods can generate …
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Samuel P. Carman, Jan Rudolph, Benjamin E. Garber, Michael J. Van de Graaff et autres
The ${{^1\mathrm{S}_0}\!-\!{^3\mathrm{P}_0}}$ clock transition in strontium serves as the foundation for the world's best atomic clocks and for gravitational wave detector concepts in clock atom interferometry. This transition is weakly allowed in the fermionic isotope $^{87}$Sr but strongly forbidden in bosonic isotopes. …
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Megan Nantel, Thomas Wilkason, Jan Rudolph, Yijun Jiang et autres
Floquet engineering offers a compelling approach for designing the time evolution of periodically driven systems. We implement a periodic atom-light coupling to realize Floquet atom optics on the strontium 1S0 – 3P1 transition. These atom optics reach pulse efficiencies above 99.4% over …
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