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๐Ÿ” nick duffield ๐Ÿ“‚ Physics
Showing 5063 results for "nick duffield" in Physics
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Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Eugenio Bianchi, Chaosong Chen, Mauricio Gamonal ยท 2026

We study the analytic properties and three equivalent representations of the Toller matrices $T^{(\pm)}$ which appear in the causal formulation of spinfoam transition amplitudes for 4d Lorentzian quanโ€ฆ

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Quantum Prediction of Transport Dynamics in Discretized State Spaces

Felix Govaers ยท 2026

We propose a gate-based quantum algorithm for the prediction step of Bayesian state estimation based on the Fokker-Planck equation on a discretized position-velocity state space. The probability densiโ€ฆ

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The influence of implantation conditions on dopant activation in Al-implanted 4H-SiC: A MD study applying an Al potential fitted to DFT barriers

Sabine Leroch, Robert Stella, Andreas Hossinger, Lado Filipovic ยท 2026

We present molecular dynamics simulations of shallow Al implantation in 4H-SiC to clarify how implantation temperature and dose control defect evolution and dopant activation during early annealing. Uโ€ฆ

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A rigorous quasipolynomial-time classical algorithm for SYK thermal expectations

Alexander Zlokapa ยท 2026

Estimating local observables in Gibbs states is a central problem in quantum simulation. While this task is BQP-complete at asymptotically low temperatures, the possibility of quantum advantage at conโ€ฆ

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Exploring the central region of SNR 0540-69.3 with JWST I: 3D morphology

J. Larsson, C. Tegkelidis, C. Fransson, P. Lundqvist, J. Sollerman, J. Spyromilio ยท 2026

The young supernova remnant SNR 0540-69.3 in the Large Magellanic Cloud offers a detailed view of an energetic pulsar-wind nebula interacting with the surrounding ejecta. We present infrared observatiโ€ฆ

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Signatures of Quantum Gravity In Relativistic Quantum Systems

Soham Sen ยท 2026

In this thesis, we have used a linearized quantum gravity setting to investigate the effects of gravitons on matter systems. Based on the graviton-matter interaction, we have then proposed detector moโ€ฆ

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Atomistic Mechanisms of Stress-Dependent Molten Salt Corrosion in NiCr Alloys

Hamdy Arkoub, Jia-Hong Ke, Miaomiao Jin ยท 2026

Ni-based structural alloys in molten salt environments often experience simultaneous mechanical loading and corrosive attack, yet the mechanisms governing stress-corrosion interactions remain unclear.โ€ฆ

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Geometric entropy and time-like entanglement entropy on a rotating BTZ black hole

Huayu Dai, Xi-Hao Fang, Mitsutoshi Fujita, Song He ยท 2026

In this paper, we analyze the double Wick rotation of a rotating BTZ black hole and the entanglement entropy. We derive the transition matrix dual to the double Wick-rotated BTZ black hole, which has โ€ฆ

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Double-scaled bosonic and fermionic embedded ensembles, complex SYK, and the dual Hilbert space

Jarod Tall, Steven Tomsovic ยท 2026

We derive the density of states along with the $2$- and $4$-point functions of embedded ensembles for both fermions and bosons in the double-scaled limit. It is shown the models are equivalent to the โ€ฆ

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Production of {\Lambda} hyperons in 4.0A GeV and 4.5A GeV carbon-nucleus interactions at the Nuclotron

S. Afanasiev, G. Agakishiev, A. Aleksandrov, E. Aleksandrov, I. Aleksandrov, P. Alekseev, K. Alishina, V. Astakhov, T. Aushev, V. Azorskiy, V. Babkin, N. Balashov, R. Barak, A. Baranov, D. Baranov, N. Baranova, N. Barbashina, S. Bazylev, M. Belov, D. Blau, V. Bocharnikov, G. Bogdanova, E. Bondar, E. Boos, E. Bozorov, M. Buryakov, S. Buzin, A. Chebotov, D. Chemezov, J. H. Chen, A. Demanov, D. Dementev, A. Dmitriev, J. Drnoyan, D. Dryablov, B. Dubinchik, P. Dulov, A. Egorov, D. Egorov, V. Elsha, A. Eviev, A. Fediunin, A. Fedosimova, I. Filippov, I. Filozova, D. Finogeev, I. Gabdrakhmanov, O. Gavrischuk, K. Gertsenberger, S. Gertsenberger, O. Golosov, V. Golovatyuk, P. Grigoriev, M. Golubeva, F. Guber, S. Ibraimova, D. Idrisov, T. Idrissova, A. Iusupova, A. Ivashkin, A. Izvestnyy, V. Kabadzhov, A. Kakhorova, Sh. Kanokova, M. Kapishin, V. Karjavin, D. Karmanov, N. Karpushkin, R. Kattabekov, V. Kekelidze, S. Khabarov, P. Kharlamov, G. Khudaiberdyev, Yu. Kiryushin, P. Klimai, V. Kolesnikov, A. Kolozhvari, V. Kondratiev, Yu. Kopylov, M. Korolev, L. Kovachev, I. Kovalev, I. Kruglova, V. Kozlov, S. Kuklin, E. Kulish, A. Kurganov, V. Kutergina, A. Kuznetsov, E. Ladygin, D. Lanskoy, N. Lashmanov, I. Lebedev, V. Lenivenko, R. Lednicky, V. Leontiev, E. Litvinenko, D. Lyapin, Y. G. Ma, A. Makankin, A. Makhnev, A. Malakhov, M. Mamaev, A. Martemianov, M. Merkin, S. Merts, S. Morozov, Yu. Murin, K. Musaev, G. Musulmanbekov, D. Myktybekov, R. Nagdasev, S. Nemnyugin, D. Nikitin, R. Nizamov, S. Novozhilov, A. Olimov, Kh. Olimov, K. Olimov, I. Osokin, V. Palichik, P. Parfenov, I. Pelevanyuk, D. Peresunko, S. Piyadin, M. Platonova, V. Plotnikov, D. Podgainy, I. Polev, I. Pshenichnov, N. Pukhaeva, F. Ratnikov, S. Reshetova, V. Rogov, I. Romanov, I. Rufanov, P. Rukoyatkin, M. Rumyantsev, T. Rybakov, D. Sakulin, S. Sedykh, S. Savenkov, D. Serebryakov, A. Shabanov, S. Sergeev, A. Serikkanov, A. Sheremetev, A. Sheremeteva, A. Shchipunov, M. Shitenkov, M. Shodmonov, M. Shopova, A. Shutov, V. Shutov, I. Slepnev, V. Slepnev, I. Slepov, A. Smirnov, A. Solomin, A. Sorin, V. Spaskov, A. Stavinskiy, V. Stekhanov, Yu. Stepanenko, E. Streletskaya, O. Streltsova, M. Strikhanov, E. Sukhov, D. Suvarieva, A. Svetlichnyi, G. Taer, A. Taranenko, N. Tarasov, O. Tarasov, P. Teremkov, A. Terletsky, O. Teryaev, V. Tcholakov, V. Tikhomirov, A. Timoshenko, O. Tojiboev, N. Topilin, T. Tretyakova, V. Troshin, A. Truttse, I. Tserruya, V. Tskhay, I. Tyapkin, V. Ustinov, V. Vasendina, V. Velichkov, K. Vitanov, N. Vitanov, V. Volkov, A. Voronin, A. Voronin, N. Voytishin, B. Yuldashev, V. Yurevich, N. Zamiatin, M. Zavertyaev, S. Zhang, I. Zhavoronkova, V. Zhezher, N. Zhigareva, I. Zhironkin, A. Zinchenko, R. Zinchenko, A. Zubankov, E. Zubarev, M. Zuev ยท 2026

The BM@N experiment (Baryonic Matter at the Nuclotron) is the first fixed-target experiment at the JINR NICA accelerator complex. In this work, data on the interactions of a carbon-ion beam with kinetโ€ฆ

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Spintronic THz emitters based on NiCu alloys

E. A. Karashtin, I. Yu. Pashen'kin, A. V. Gorbatova, E. D. Lebedeva, P. Yu. Avdeev, N. V. Bezvikonnyi, A. M. Buryakov ยท 2026

We study THz emission from ferromagnet / nonmagnetic material (FM/NM) spintronic nanostructures in which the $Ni_xCu_{1-x}$ alloy with different $x$ is used as an FM, an NM, or both layers. The stoichโ€ฆ

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Polymer-free van der Waals assembly of 2D material heterostructures using muscovite crystals

Ian Babich, Timofey M. Savilov, Natalia A. Mamchik, Kristina Vaklinova, Nansi Zhou, Denis S. Baranov, Dmitrii A. Litvinov, Virgil Gavriliuc, Yue Yuan, Amoz Chua, Kenji Watanabe, Takashi Taniguchi, Mario Lanza, Maciej Koperski, Kostya S. Novoselov, Alexey I. Berdyugin, Makars Siskins ยท 2026

The advent of van der Waals (vdW) heterostructures has enabled formation of bespoke materials with atomic precision, where numerous quantum and topological phenomena have already been discovered. Thisโ€ฆ

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Sub-nanosecond control for spin-defect quantum memories with a low-cost, compact FPGA platform

Victor Marcenac, Tommy Nguyen, Julie Chen, Weitao He, Enrique Garcia, Yuyang Han, Bethany E. Matthews, Tiamike Dudley, Andrew Mounce, Kai-Mei C. Fu, Maxwell F. Parsons ยท 2026

Dynamical decoupling techniques are widely used to characterize and control the environments of solid-state quantum defects, enabling solid-state quantum memories and nanoscale quantum sensors. Howeveโ€ฆ

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Pinch-off of non-Brownian rod suspensions: onset of heterogeneity and effective extensional viscosity

Virgile Thievenaz, Nathan Vani, Alban Sauret ยท 2026

The stretching and pinch-off of a liquid bridge is a simple way to probe when a suspension of particles stops behaving as a continuum. In this study, we consider density-matched suspensions of rigid nโ€ฆ

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Enhanced squeezing for quantum gravimetry in a Bose-Einstein condensate with focussing

Lewis A. Williamson, Karandeep Gill, Andrew J. Groszek, Matthew J. Davis, Simon Haine ยท 2026

Free-fall atom interferometers offer a powerful platform for accurate, absolute gravitational sensing. Szigeti et al. [Phys. Rev. Lett. 125, 100402 (2020)] recently proposed a quantum-enhanced scheme โ€ฆ

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Catapult neutrons from neck snapping in fission

J{o}rgen Randrup, Roberto Capote, Ramona Vogt ยท 2026

Dynamical fission calculations show that the post-scission configurations resemble two collinear pear-shaped fragments whose juxtaposed surface bulges subside relatively quickly, as the fragments acquโ€ฆ

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Symplectic Constraints in Quantum Reaction Dynamics: Squeezed-State Suppression and Candidate Width Scales

Stephen Wiggins ยท 2026

Classical reaction dynamics suggests transport through an index-1 saddle is organized not just by flux, but by local symplectic width scales of bounded proxy neighborhoods near the bottleneck. We inveโ€ฆ

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A Path to Constraints on Common Envelope Ejection in Massive Binaries: Full Evolutionary Reconstruction of Three Black Hole X-ray Binaries

Zhenwei Li, Dandan Wei, Shi Jia, Hailiang Chen, Hongwei Ge, Zhuo Chen, Yangyang Zhang, Xuefei Chen, Zhanwen Han ยท 2026

The massive binary common envelope (CE) phase plays a pivotal role in the formation of close black hole/neutron star (BH/NS) binaries, yet significant uncertainties remain in our understanding of thisโ€ฆ

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Binary Star Evolution Modules in REBOUNDx

Mohamad Ali-Dib ยท 2026

Close-binary evolution couples Roche-lobe overflow (RLOF), common-envelope (CE) drag, stellar winds, magnetic braking, and gravitational-wave losses, exchanging mass and angular momentum while reshapiโ€ฆ

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The Wonderful World of Binary Stars

Andrea Barone, Henri M. J. Boffin, Beatrice Caccherano, Simona Di Stefano, Akhila Divakaran, Alexandra S. Murphy, Maria Jose Rain, Elyar Sedaghati, Paul V. Steimle ยท 2026

During the 2026 ESO La Silla Observing school, about twenty students attended lectures and performed observations to learn various aspects of observational astronomy. The school, which took place duriโ€ฆ

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