Long-lived entanglement generation of nuclear spins using coherent light

• URL: http://arxiv.org/abs/2002.07030v1
• Date: Mon, 17 Feb 2020 16:25:10 GMT
• Title: Long-lived entanglement generation of nuclear spins using coherent light
• Authors: Or Katz, Roy Shaham, Eugene S. Polzik, and Ofer Firstenberg
• Abstract summary: Nuclear spins of noble-gas atoms can maintain their quantum properties for hours at room temperature. We develop a mechanism for entangling two such distant macroscopic ensembles by using coherent light input.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Nuclear spins of noble-gas atoms are exceptionally isolated from the environment and can maintain their quantum properties for hours at room temperature. Here we develop a mechanism for entangling two such distant macroscopic ensembles by using coherent light input. The interaction between the light and the noble-gas spins in each ensemble is mediated by spin-exchange collisions with alkali-metal spins, which are only virtually excited. The relevant conditions for experimental realizations with ^{3}\text{He} or ^{129}\text{Xe} are outlined.

Related papers

• The spin lifetime of an individual atomic nucleus investigated via local-probe single-shot readout [2.2908892874617357]
  Nuclear spins owe their long-lived magnetic states to their excellent isolation from their environment. Detailed knowledge of and control over the atomic environment of a nuclear spin is key to optimizing conditions for quantum information applications. Here, we demonstrate single-shot readout of an individual $text49$Ti nuclear spin with an STM.
  arXiv  Detail & Related papers  (2024-10-11T10:47:46Z)
• Effective light-induced Hamiltonian for atoms with large nuclear spin [0.0]
  Coupling with off-resonance light is an essential tool to selectively and coherently manipulate the nuclear spin states. We present a systematic derivation of the effective Hamiltonian for the nuclear spin states of ultra-cold fermionic atoms due to such an off-resonance light.
  arXiv  Detail & Related papers  (2024-04-18T18:00:01Z)
• The strongly driven Fermi polaron [49.81410781350196]
  Quasiparticles are emergent excitations of matter that underlie much of our understanding of quantum many-body systems. We take advantage of the clean setting of homogeneous quantum gases and fast radio-frequency control to manipulate Fermi polarons. We measure the decay rate and the quasiparticle residue of the driven polaron from the Rabi oscillations between the two internal states.
  arXiv  Detail & Related papers  (2023-08-10T17:59:51Z)
• Formation of robust bound states of interacting microwave photons [148.37607455646454]
  One of the hallmarks of interacting systems is the formation of multi-particle bound states. We develop a high fidelity parameterizable fSim gate that implements the periodic quantum circuit of the spin-1/2 XXZ model. By placing microwave photons in adjacent qubit sites, we study the propagation of these excitations and observe their bound nature for up to 5 photons.
  arXiv  Detail & Related papers  (2022-06-10T17:52:29Z)
• Correlated steady states and Raman lasing in continuously pumped and probed atomic ensembles [68.8204255655161]
  We consider an ensemble of Alkali atoms that are continuously optically pumped and probed. Due to the collective scattering of photons at large optical depth, the steady state of atoms does not correspond to an uncorrelated tensor-product state. We find and characterize regimes of Raman lasing, akin to the model of a superradiant laser.
  arXiv  Detail & Related papers  (2022-05-10T06:54:54Z)
• Enhanced coupling of electron and nuclear spins by quantum tunneling resonances [0.0]
  We propose a controllable mechanism to enhance this transfer rate. We analyze the spin dynamics of helium-3 atoms with hot, optically-excited potassium atoms. We find a resonant enhancement of the spin-exchange cross section by up to six orders of magnitude and two orders of magnitude enhancement for the thermally averaged, polarization rate-coefficient.
  arXiv  Detail & Related papers  (2022-01-04T17:33:02Z)
• Relativistic aspects of orbital and magnetic anisotropies in the chemical bonding and structure of lanthanide molecules [60.17174832243075]
  We study the electronic and ro-vibrational states of heavy homonuclear lanthanide Er2 and Tm2 molecules by applying state-of-the-art relativistic methods. We were able to obtain reliable spin-orbit and correlation-induced splittings between the 91 Er2 and 36 Tm2 electronic potentials dissociating to two ground-state atoms.
  arXiv  Detail & Related papers  (2021-07-06T15:34:00Z)
• Anisotropic electron-nuclear interactions in a rotating quantum spin bath [55.41644538483948]
  Spin-bath interactions are strongly anisotropic, and rapid physical rotation has long been used in solid-state nuclear magnetic resonance. We show that the interaction between electron spins of nitrogen-vacancy centers and a bath of $13$C nuclear spins introduces decoherence into the system. Our findings offer new insights into the use of physical rotation for quantum control with implications for quantum systems having motional and rotational degrees of freedom that are not fixed.
  arXiv  Detail & Related papers  (2021-05-16T06:15:00Z)
• Strong coupling of alkali spins to noble-gas spins with hour-long coherence time [0.0]
  Nuclear spins of noble gases can maintain coherence for hours at ambient conditions. We experimentally achieve strong coherent coupling between noble-gas spins and the optically-accessible spins of alkali-metal vapor. These results open a route for efficient and rapid interfacing with noble-gas spins for applications in quantum sensing and information.
  arXiv  Detail & Related papers  (2021-02-04T18:38:32Z)
• Coupling light to a nuclear spin gas with a two-photon linewidth of five millihertz [0.0]
  Nuclear spins of noble gases feature extremely long coherence times but are inaccessible to optical photons. Here we realize a coherent interface between light and noble-gas spins that is mediated by alkali atoms.
  arXiv  Detail & Related papers  (2021-01-30T13:57:17Z)
• Optically pumped spin polarization as a probe of many-body thermalization [50.591267188664666]
  We study the spin diffusion dynamics of 13C in diamond, which we dynamically polarize at room temperature via optical spin pumping of engineered color centers. We find good thermal contact throughout the nuclear spin bath, virtually independent of the hyperfine coupling strength. Our results open intriguing opportunities to study the onset of thermalization in a system by controlling the internal interactions within the bath.
  arXiv  Detail & Related papers  (2020-05-01T23:16:33Z)

This list is automatically generated from the titles and abstracts of the papers in this site.

This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.