Research articles, presentations, and other scholarship

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  • New constraints on heavy neutral leptons from Super-Kamiokande data 

    Coloma, P.; Hernandez, P.; Munoz, V.; Shoemaker, I. M. (2020-03-12)
    Heavy neutral leptons are predicted in many extensions of the Standard Model with massive neutrinos. If kinematically accessible, they can be copiously produced from kaon and pion decays in atmospheric showers, and ...
  • Modular curves and Mordell-Weil torsion in F-theory 

    Hajouji, Nadir; Oehlmann, Paul-Konstantin (2020-04-16)
    In this work we prove a bound for the torsion in Mordell-Weil groups of smooth elliptically fibered Calabi-Yau 3- and 4-folds. In particular, we show that the set of torsion groups which can occur on a smooth elliptic ...
  • Numerical metrics, curvature expansions and Calabi-Yau manifolds 

    Cui, Wei; Gray, James (2020-05-11)
    We discuss the extent to which numerical techniques for computing approximations to Ricci-flat metrics can be used to investigate hierarchies of curvature scales on Calabi-Yau manifolds. Control of such hierarchies is ...
  • Exploring optimization strategies for improving explicit water models: Rigid n-point model and polarizable model based on Drude oscillator 

    Xiong, Yeyue; Onufriev, Alexey V. (PLOS, 2019-11-14)
    Rigid n-point water models are widely used in atomistic simulations, but have known accuracy drawbacks. Increasing the number of point charges, as well as adding electronic polarizability, are two common strategies for ...
  • Coherent Multispin Exchange Coupling in a Quantum-Dot Spin Chain 

    Qiao, Haifeng; Kandel, Yadav P.; Deng, Kuangyin; Fallahi, Saeed; Gardner, Geoffrey C.; Manfra, Michael J.; Barnes, Edwin; Nichol, John M. (2020-07-08)
    Heisenberg exchange coupling between neighboring electron spins in semiconductor quantum dots provides a powerful tool for quantum information processing and simulation. Although so far unrealized, extended Heisenberg spin ...
  • Reflections on the anomalous ANITA events: the Antarctic subsurface as a possible explanation 

    Shoemaker, Ian M.; Kusenko, Alexander; Munneke, Peter Kuipers; Romero-Wolf, Andrew; Schroeder, Dustin M.; Siegert, Martin J. (Cambridge University Press, 2020-03-30)
    The Antarctic Impulsive Transient Antenna (ANITA) balloon experiment was designed to detect radio signals initiated by high-energy neutrinos and cosmic ray (CR) air showers. These signals are typically discriminated by the ...
  • Non-equilibrium signal integration in hydrogels 

    Korevaar, Peter A.; Kaplan, C. Nadir; Grinthal, Alison; Rust, Reanne M.; Aizenberg, Joanna (2020-01-20)
    Materials that perform complex chemical signal processing are ubiquitous in living systems. Their synthetic analogs would transform developments in biomedicine, catalysis, and many other areas. By drawing inspiration from ...
  • Efficient symmetry-preserving state preparation circuits for the variational quantum eigensolver algorithm 

    Gard, Bryan T.; Zhu, Linghua; Barron, George S.; Mayhall, Nicholas J.; Economou, Sophia E.; Barnes, Edwin (2020-01-28)
    The variational quantum eigensolver is one of the most promising approaches for performing chemistry simulations using noisy intermediate-scale quantum (NISQ) processors. The efficiency of this algorithm depends crucially ...
  • Constraints on flavor-diagonal non-standard neutrino interactions from Borexino Phase-II 

    Agarwalla, S. K.; Agostini, M.; Altenmueller, K.; Appel, S.; Atroshchenko, V.; Bagdasarian, Z.; Basilico, D.; Bellini, G.; Benziger, J.; Bick, D.; Bonfini, G.; Bravo, D.; Caccianiga, B.; Calaprice, F.; Caminata, A.; Cappelli, L.; Cavalcante, P.; Cavanna, F.; Chepurnov, A.; Choi, K.; D'Angelo, D.; Davini, S.; Derbin, A.; Di Giacinto, A.; Di Marcello, V.; Ding, X. F.; Di Ludovico, A.; Di Noto, L.; Drachnev, I.; Fomenko, K.; Formozov, A.; Franco, D.; Gabriele, F.; Galbiati, C.; Gschwender, M.; Ghiano, C.; Giammarchi, M.; Goretti, A.; Gromov, M.; Guffanti, D.; Hagner, C.; Hungerford, E.; Ianni, Aldo; Ianni, Andrea; Jany, A.; Jeschke, D.; Kumaran, S.; Kobychev, V; Korga, G.; Lachenmaier, T.; Laubenstein, M.; Litvinovich, E.; Lombardi, P.; Ludhova, L.; Lukyanchenko, G.; Lukyanchenko, L.; Machulin, I.; Manuzio; Marcocci, S.; Maricic, J.; Martyn, J.; Meroni, E.; Meyer, M.; Miramonti, L.; Misiaszek, M.; Muratova, V.; Neumair, B.; Nieslony, M.; Oberauer, L.; Orekhov, V.; Ortica, F.; Pallavicini, M.; Papp, L.; Penek, O.; Pietrofaccia, L.; Pilipenko, N.; Pocar, A.; Raikov, G.; Ranucci, G.; Razeto, A.; Re, A.; Redchuk, M.; Romani, A.; Rossi, N.; Rottenanger, S.; Schoenert, S.; Semenov, D.; Skorokhvatov, M.; Smirnov, O.; Sotnikov, A.; Sun, C.; Suvorov, Y.; Takeuchi, T.; Tartaglia, R.; Testera, G.; Thurn, J.; Unzhakov, E.; Vishneva, A.; Vogelaar, R. Bruce; von Feilitzsch, F.; Wojcik, M.; Wurm, M.; Zaimidoroga, O.; Zavatarelli, S.; Zuber, K.; Zuzel, G. (2020-02-05)
    The Borexino detector measures solar neutrino fluxes via neutrino-electron elastic scattering. Observed spectra are determined by the solar-nu(e) survival probability P-ee(E), and the chiral couplings of the neutrino and ...
  • General F-theory models with tuned (SU(3) × SU(2) × U(1))/ℤ6 symmetry 

    Raghuram, Nikhil; Taylor, Washington; Turner, Andrew P. (2020-04-01)
    We construct a general form for an F-theory Weierstrass model over a general base giving a 6D or 4D supergravity theory with gauge group (SU(3) × SU(2) × U(1))/ℤ6 and generic associated matter, which includes the matter ...
  • Dark energy and string theory 

    Berglund, Per; Hubsch, Tristan; Minic, Djordje (2019-11-10)
    A radiatively stable de Sitter spacetime is constructed by considering an intrinsically non-commutative and generalized-geometric formulation of string theory, which is related to a family of F-theory models endowed with ...
  • Strongly Bent Double-Stranded DNA: Reconciling Theory and Experiment 

    Drozdetski, Aleksander V.; Mukhopadhyay, Abhishek; Onufriev, Alexey V. (2019-11-29)
    The strong bending of polymers is poorly understood. We propose a general quantitative framework of polymer bending that includes both the weak and strong bending regimes on the same footing, based on a single general ...
  • Feedback control of surface roughness in a one-dimensional KPZ growth process 

    Priyanka; Täuber, Uwe C.; Pleimling, Michel
    Control of generically scale-invariant systems, i.e., targeting specific cooperative features in non-linear stochastic interacting systems with many degrees of freedom subject to strong fluctuations and correlations that ...
  • Critical Scaling and Aging near the Flux Line Depinning Transition 

    Chaturvedi, Harshwardhan; Dobramysl, Ulrich; Pleimling, Michel; Täuber, Uwe C.
    We utilize Langevin molecular dynamics simulations to study dynamical critical behavior of magnetic flux lines near the depinning transition in type-II superconductors subject to randomly distributed attractive point defects. ...
  • Aging phenomena in the two-dimensional complex Ginzburg-Landau equation 

    Liu, Weigang; Täuber, Uwe C.
    The complex Ginzburg-Landau equation with additive noise is a stochastic partial differential equation that describes a remarkably wide range of physical systems which include coupled non-linear oscillators subject to ...
  • Nucleation of spatiotemporal structures from defect turbulence in the two-dimensional complex Ginzburg-Landau equation 

    Liu, Weigang; Täuber, Uwe C. (American Physical Society, 2019-11-20)
    We numerically investigate nucleation processes in the transient dynamics of the two-dimensional complex Ginzburg-Landau equation toward its "frozen" state with quasistationary spiral structures. We study the transition ...
  • Skyrmion relaxation dynamics in the presence of quenched disorder 

    Brown, Barton L.; Täuber, Uwe C.; Pleimling, Michel (American Physical Society, 2019-07-09)
    Using Langevin molecular dynamics simulations we study relaxation processes of interacting skyrmion systems with and without quenched disorder. Using the typical diffusion length as the time-dependent length characterizing ...
  • Crossover From Self-Similar to Self-Affine Structures in Precolation 

    Frey, E.; Täuber, Uwe C.; Schwabl, F. (Editions Physique, 1994-05-20)
    We study the crossover from self-similar scaling behavior to asymptotically self-affine (anisotropic) structures. As an example, we consider bond percolation with one preferred direction. Our theory is based on a ...
  • Transverse temperature interfaces in the Katz-Lebowitz-Spohn driven lattice gas 

    Mukhamadiarov, Ruslan I.; Priyanka; Täuber, Uwe C. (American Physical Society (APS), 2018-09-22)
    We explore the intriguing spatial patterns that emerge in a two-dimensional spatially inhomogeneous Katz-Lebowitz-Spohn (KLS) driven lattice gas with attractive nearest-neighbor interactions. The domain is split into two ...
  • Generation of arbitrary all-photonic graph states from quantum emitters 

    Russo, Antonio; Barnes, Edwin; Economou, Sophia E. (Institute of Physics, 2019-05-08)
    We present protocols to generate arbitrary photonic graph states from quantum emitters that are in principle deterministic.Wefocus primarily on two-dimensional cluster states of arbitrary size due to their importance for ...

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