Now showing items 1-20 of 21

    • Collectively Enhanced Interactions in Solid-State Spin Qubits 

      Weimer, Hendrik; Yao, Norman Ying; Lukin, Mikhail D. (American Physical Society (APS), 2013)
      We propose and analyze a technique to collectively enhance interactions between solid-state quantum registers composed from random networks of spin qubits. In such systems, disordered dipolar interactions generically result ...
    • Enhanced Antiferromagnetic Exchange between Magnetic Impurities in a Superconducting Host 

      Yao, Norman Ying; Glazman, Leonid I; Demler, Eugene A.; Lukin, Mikhail D.; Sau, Jay D. (American Physical Society (APS), 2014)
      It is generally believed that superconductivity only weakly affects the indirect exchange between magnetic impurities. If the distance r between impurities is smaller than than the superconducting coherence length \((r ...
    • Interferometric Probes of Many-Body Localization 

      Serbyn, M.; Knap, Michael; Gopalakrishnan, Sarang; Papić, Z.; Yao, Norman Ying; Laumann, C. R.; Abanin, Dmitry; Lukin, Mikhail D.; Demler, Eugene A. (American Physical Society (APS), 2014)
      We propose a method for detecting many-body localization (MBL) in disordered spin systems. The method involves pulsed coherent spin manipulations that probe the dephasing of a given spin due to its entanglement with a set ...
    • Long-Range Quantum Gates using Dipolar Crystals 

      Weimer, Hendrik; Yao, Norman Ying; Laumann, Chris; Lukin, Mikhail D. (American Physical Society (APS), 2012)
      We propose the use of dipolar spin chains to enable long-range quantum logic between distant qubits. In our approach, an effective interaction between remote qubits is achieved by adiabatically following the ground state ...
    • Many-Body Dynamics of Dipolar Molecules in an Optical Lattice 

      Hazzard, Kaden R. A.; Gadway, Bryce; Foss-Feig, Michael; Yan, Bo; Moses, Steven A.; Covey, Jacob P.; Yao, Norman Ying; Lukin, Mikhail D.; Ye, Jun; Jin, Deborah S.; Rey, Ana Maria (American Physical Society (APS), 2014)
      We use Ramsey spectroscopy to experimentally probe the quantum dynamics of disordered dipolar-interacting ultracold molecules in a partially filled optical lattice, and we compare the results to theory. We report the ...
    • Many-Body Localization in Dipolar Systems 

      Yao, Norman Ying; Laumann, C. R.; Gopalakrishnan, Sarang; Knap, Michael; Müller, M.; Demler, Eugene A.; Lukin, Mikhail D. (American Physical Society (APS), 2014)
      Systems of strongly interacting dipoles offer an attractive platform to study many-body localized phases, owing to their long coherence times and strong interactions. We explore conditions under which such localized phases ...
    • Nanometre-scale thermometry in a living cell 

      Kucsko, Georg; Maurer, Peter; Yao, Norman Ying; KUBO, MICHAEL; Noh, Hyungi; Lo, P. K.; Park, Hongkun; Lukin, Mikhail D. (Nature Publishing Group, 2013)
      Sensitive probing of temperature variations on nanometre scales is an outstanding challenge in many areas of modern science and technology. In particular, a thermometer capable of subdegree temperature resolution over a ...
    • Observation of discrete time-crystalline order in a disordered dipolar many-body system 

      Lukin, Mikhail D.; Soonwon, Choi; Choie, Joonhee; Landig, Renate; Kucsko, Georg; Zhou, Hengyun; Isoya, Junichi; Jelezko, Fedor; Onoda, Shinobu; Sumiya, Hitoshi; Khemani, Vedika; von Keyserlingk, Curt; Yao, Norman Ying; Demler, Eugene A. (Springer Nature, 2017)
      Understanding quantum dynamics away from equilibrium is an outstanding challenge in the modern physical sciences. It is well known that out-of equilibrium systems can display a rich array of phenomena, ranging from self ...
    • Phase diagram and excitations of a Shiba molecule 

      Yao, Norman Ying; Moca, C. P.; Weymann, I.; Sau, J. D.; Lukin, Mikhail D.; Demler, Eugene A.; Zaránd, G. (American Physical Society (APS), 2014)
      We analyze the phase diagram associated with a pair of magnetic impurities trapped in a superconducting host. The natural interplay between Kondo screening, superconductivity, and exchange interactions leads to a rich array ...
    • Phonon-Induced Population Dynamics and Intersystem Crossing in Nitrogen-Vacancy Centers 

      Goldman, Michael Lurie; Sipahigil, Alp; Doherty, M. W.; Yao, Norman Ying; Bennett, Steven; Markham, M.; Twitchen, D. J.; Manson, N. B.; Kubanek, Alexander; Lukin, Mikhail D. (American Physical Society (APS), 2015)
      We report direct measurement of population dynamics in the excited state manifold of a nitrogen-vacancy (NV) center in diamond. We quantify the phonon-induced mixing rate and demonstrate that it can be completely suppressed ...
    • Phonon-Induced Spin-Spin Interactions in Diamond Nanostructures: Application to Spin Squeezing 

      Bennett, Steven; Yao, Norman Ying; Otterbach, Johannes; Zoller, P.; Rabl, P.; Lukin, Mikhail D. (American Physical Society (APS), 2013)
      We propose and analyze a novel mechanism for long-range spin-spin interactions in diamond nanostructures. The interactions between electronic spins, associated with nitrogen-vacancy centers in diamond, are mediated by ...
    • Quantum logic between remote quantum registers 

      Yao, Norman Ying; Gong, Z.-X; Laumann, C; Bennett, Steven; Duan, L.-M.; Lukin, Mikhail D.; Jiang, L.; Gorshkov, A.V. (American Physical Society (APS), 2013)
      We consider two approaches to dark-spin-mediated quantum computing in hybrid solid-state spin architectures. First, we review the notion of eigenmode-mediated unpolarized spin-chain state transfer and extend the analysis ...
    • Realizing Fractional Chern Insulators in Dipolar Spin Systems 

      Yao, Norman Ying; Gorshkov, A. V.; Laumann, C; Läuchli, A. M.; Ye, J.; Lukin, Mikhail D. (American Physical Society, 2013)
      Strongly correlated quantum systems can exhibit exotic behavior controlled by topology. We predict that the ν=1/2 fractional Chern insulator arises naturally in a two-dimensional array of driven, dipolar-interacting spins. ...
    • Robust Quantum State Transfer in Random Unpolarized Spin Chains 

      Yao, Norman Ying; Jiang, Liang; Gorshkov, Alexey Vyacheslavovich; Gong, Zhe-Xuan; Zhai, Alex; Duan, Luming; Lukin, Mikhail D. (American Physical Society, 2011)
      We propose and analyze a new approach for quantum state transfer between remote spin qubits. Specifically, we demonstrate that coherent quantum coupling between remote qubits can be achieved via certain classes of random, ...
    • Room-Temperature Quantum Bit Memory Exceeding One Second 

      Maurer, Peter Christian; Kucsko, Georg; Latta, C.; Jiang, L.; Yao, Norman Ying; Bennett, S. D.; Pastawski, F.; Hunger, D.; Chisholm, Nicholas Edward Kennedy; Markham, M.; Twitchen, D. J.; Cirac, J. I.; Lukin, Mikhail D. (American Association for the Advancement of Science (AAAS), 2012)
      Stable quantum bits, capable both of storing quantum information for macroscopic time scales and of integration inside small portable devices, are an essential building block for an array of potential applications. We ...
    • Scalable Architecture for a Room Temperature Solid-State Quantum Information Processor 

      Yao, Norman Ying; Jiang, Liang; Gorshkov, Alexey Vyacheslavovich; Maurer, Peter Christian; Giedke, Géza; Cirac, Ignacio; Lukin, Mikhail D. (Nature Publishing Group, 2012)
      The realization of a scalable quantum information processor has emerged over the past decade as one of the central challenges at the interface of fundamental science and engineering. Here we propose and analyse an ...
    • State-selective intersystem crossing in nitrogen-vacancy centers 

      Goldman, Michael Lurie; Doherty, M. W.; Sipahigil, Alp; Yao, Norman Ying; Bennett, Steven; Manson, N. B.; Kubanek, Alexander; Lukin, Mikhail D. (American Physical Society (APS), 2015)
      The intersystem crossing (ISC) is an important process in many solid-state atomlike impurities. For example, it allows the electronic spin state of the nitrogen-vacancy (NV) center in diamond to be initialized and read out ...
    • Timekeeping with electron spin states in diamond 

      Hodges, J.; Yao, Norman Ying; Maclaurin, Dougal; Rastogi, C.; Lukin, Mikhail D.; Englund, D. (American Physical Society (APS), 2013)
      Frequency standards based on atomic states, such as Rb or Cs vapors, or single-trapped ions, are the most precise measures of time. Here we propose and analyze a precision oscillator approach based upon spins in a solid-state ...
    • Topological bands with a Chern number C = 2 by dipolar exchange interactions 

      Peter, David; Yao, Norman Ying; Lang, Nicolai; Huber, Sebastian D.; Lukin, Mikhail D.; Büchler, Hans Peter (American Physical Society (APS), 2015)
      We demonstrate the realization of topological band structures by exploiting the intrinsic spin-orbit coupling of dipolar interactions in combination with broken time-reversal symmetry. The system is based on polar molecules ...
    • Topologically protected quantum state transfer in a chiral spin liquid 

      Yao, Norman Ying; Laumann, C; Gorshkov, A.V.; Weimer, H.; Jiang, L.; Cirac, J.I.; Zoller, P.; Lukin, Mikhail D. (Springer Nature, 2013)
      Topology plays a central role in ensuring the robustness of a wide variety of physical phenomena. Notable examples range from the current-carrying edge states associated with the quantum Hall and the quantum spin Hall ...