Search Results - "Vutha, Amar C."

Electron Electric Dipole Moment Searches Using Clock Transitions in Ultracold Molecules by Verma, Mohit, Jayich, Andrew M., Vutha, Amar C.

“…Permanent electric dipole moments (EDMs) of fundamental particles such as the electron are signatures of parity and time-reversal violation occurring in…”
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Advanced cold molecule electron EDM by Campbell, Wesley C., Chan, Cheong, DeMille, David, Doyle, John M., Gabrielse, Gerald, Gurevich, Yulia V., Hess, Paul W., Hutzler, Nicholas R., Kirilov, Emil, O'Leary, Brendon, Petrik, Elizabeth S., Spaun, Ben, Vutha, Amar C.

“…Measurement of a non-zero electric dipole moment (EDM) of the electron within a few orders of magnitude of the current best limit of |d sub(e)| < 1.05 x 10…”
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Improved estimate of the collisional frequency shift in Al + optical clocks by Davis, Jack, Dubé, Pierre, Vutha, Amar C.

“…Collisions between background gas particles and the trapped ion in an atomic clock can subtly shift the frequency of the clock transition. The uncertainty in…”
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A Simple Approach to the Landau-Zener Formula by Vutha, Amar C

“…The Landau-Zener formula provides the probability of non-adiabatic transitions occurring when two energy levels are swept through an avoided crossing. The…”
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Negative refraction in 2D checkerboards related by mirror anti-symmetry and 3D corner lenses by Guenneau, S, Vutha, Amar C, Ramakrishna, S Anantha

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Nuclear T-violation search using octupole-deformed nuclei in a crystal by Ramachandran, Harish D, Vutha, Amar C

“…Phys. Rev. A 108, 012819 (2023) Precision measurements with atoms and molecules can search for subtle violations of time-reversal symmetry (T) in nuclei, and…”
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Coherent quantum beats: spectroscopy of energy differences masked by inhomogeneous broadening by Ramachandran, Harish D, Ford, Julia E, Vutha, Amar C

“…Precision spectroscopy of solid-state systems is challenging due to inhomogeneous broadening. We describe a technique -- coherent quantum beats -- that enables…”
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Magic polarization for light shift cancellation in two-photon optical clocks by Jackson, Shira, Vutha, Amar C

“…Phys. Rev. A 99, 063422 (2019) We find a simple solution to the problem of probe laser light shifts in two-photon optical atomic clocks. We show that there…”
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Nd$^+$ isotope shift measurements in a cryogenically-cooled neutral plasma by Bhatt, Nishant, Kato, Kosuke, Vutha, Amar C

“…Phys. Rev. A 101, 052505 (2020) We report measurements of the isotope shifts of two transitions ($4f^46s\rightarrow [25044.7]^{\circ}_{7/2}$ and…”
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BaF molecules in neon ice: trapping, spectroscopy and optical control of electron spins by Li, Samuel J, Ramachandran, Harish D, Anderson, Rhys, Vutha, Amar C

“…New J. Phys. 25, 082001 (2023) We have trapped BaF molecules in neon ice, and used laser-induced fluorescence spectroscopy to map out optical transitions in…”
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Improved estimate of the collisional frequency shift in Al$^+$ optical clocks by Davis, Jack, Dubé, Pierre, Vutha, Amar C

“…Phys. Rev. Research 1, 033137 (2019) Collisions between background gas particles and the trapped ion in an atomic clock can subtly shift the frequency of the…”
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Cold, dense atomic ion clouds produced by cryogenic buffer gas cooling by Bhatt, Nishant, Kato, Kosuke, Vutha, Amar C

“…Phys. Rev. A 100, 013401 (2019) We produce cold and dense clouds of atomic ions (Ca$^+$, Dy$^+$) by laser ablation of metal targets and cryogenic buffer gas…”
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Electron electric dipole moment searches using clock transitions in ultracold molecules by Verma, Mohit, Jayich, Andrew M, Vutha, Amar C

“…Phys. Rev. Lett. 125, 153201 (2020) Permanent electric dipole moments (EDMs) of fundamental particles such as the electron are signatures of parity and…”
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Optical frequency standards for gravitational wave detection using satellite Doppler velocimetry by Vutha, Amar C

“…New J. Phys. 17 (2015) 063030 Gravitational waves imprint apparent Doppler shifts on the frequency of photons propagating between an emitter and detector of…”
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Negative refraction in 2D checkerboards related by mirror anti-symmetry and 3D corner lenses by Guenneau, Sébastien, C Vutha, Amar, Anantha Ramakrishna, S.

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Optical frequency standard based on a two-photon transition in calcium by Vutha, Amar C

“…A two-photon transition in laser-cooled and trapped calcium atoms is proposed as the atomic reference in an optical frequency standard. An efficient scheme for…”
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Advances in the uncertainty evaluation of a 88Sr+ single ion optical clock by Dube, Pierre, Jian, Bin, Vutha, Amar C.

“…We report on recent progress in the evaluation and reduction of the systematic shifts of the strontium ion clock, addressing effects such as the collisional…”
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Electric dipoles on the Bloch sphere by Vutha, Amar C

“…Eur. J. Phys. 36 (2015) 025004 The time evolution of a two-level quantum mechanical system can be geometrically described using the Bloch sphere. By mapping…”
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Broadband low-noise photodetector for Pound-Drever-Hall laser stabilization by Potnis, Shreyas, Vutha, Amar C

“…Rev. Sci. Instrum. 87, 076104 (2016) The Pound-Drever-Hall laser stabilization technique requires a fast, low-noise photodetector. We present a simple…”
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Direct observation of a highly forbidden optical transition in Sm:SrF$_2 by Verma, Mohit, Talamo, Luca, Sawaoka, Hiromitsu, Vutha, Amar C

“…Phys. Rev. A 100, 032502 (2019) The $4f^6$ $^{7}F_0$ $\to 4f^6$ $^{5}D_0$ intra-configuration transition in Sm:SrF$_2$ is forbidden for Sm$^{2+}$ ions in the…”
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