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๐Ÿ” stefan brass ๐Ÿ“‚ Physics
Showing 2721 results for "stefan brass" in Physics
Physics Preprint PDF DOI

Mixture-aware closure of the N-phase Navier--Stokes--Cahn--Hilliard mixture model

M.F.P. ten Eikelder, A. Brunk ยท 2026

Diffuse-interface (phase-field) models are widely used to describe multiphase mixtures and their interfacial dynamics. In multiphase settings, however, the constitutive closure should remain meaningfuโ€ฆ

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High-Girth Regular Quantum LDPC Codes from Square-Base Hypergraph Products via CPM Lifts

Koki Okada, Kenta Kasai ยท 2026

We study square-base Calderbank--Shor--Steane (CSS) hypergraph-product codes as a finite-length class for regular high-girth quantum low-density parity-check (LDPC) design. For base matrices of small โ€ฆ

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Asymmetric freezing of a sliding droplet on an inclined surface

Sivanandan Kavuri, George Karapetsas, Chander Shekhar Sharma, Kirti Chandra Sahu ยท 2026

We investigate the asymmetric freezing of a liquid droplet sliding on an inclined cold surface using numerical simulations based on the lubrication approximation. The combined effects of gravity, capiโ€ฆ

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Operating a contextual Stern-Gerlach apparatus

Th. K. Mavrogordatos ยท 2026

We propose a contextual cavity/circuit QED analogue and extension of the Stern-Gerlach experiment, where the pseudo-spin of a two-state `atomic' transition plays the role of the ``spin'', while the reโ€ฆ

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Quark Number Susceptibilities and Conserved Charge Fluctuations in $(2+1)$-flavor QCD with M\"obius domain-wall fermions (MDWF)

Jishnu Goswami, Yasumichi Aoki, Hidenori Fukaya, Shoji Hashimoto, Issaku Kanamori, Takashi Kaneko, Yoshifumi Nakamura, David Ward, Yu Zhang (JLQCD Collaboration) ยท 2026

We calculate second- and selected fourth-order conserved-charge fluctuations in $(2+1)$-flavor QCD using M\"obius domain-wall fermions (MDWF) along a line of constant physics. Gauge ensembles were genโ€ฆ

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Taylor-SWFT: fast discrete Statistical Wave Field Theory using Taylor expansion for late reverberation Work under review

Marius Rodrigues (IDS, S2A), Louis Lalay (IDS, S2A), Roland Badeau (IDS, S2A), Gael Richard (S2A, IDS), Mathieu Fontaine (IP Paris, S2A) ยท 2026

Dynamic room acoustic simulation aims to render the acoustic effects of an environment in real time while accounting for potentially moving sources and receivers. In this context, the efficient syntheโ€ฆ

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High-Girth Regular Quantum LDPC Codes from Affine-Coset Structures

Koki Okada, Kenta Kasai ยท 2026

We construct a quantum low-density parity-check code family from a length-$512$ Calderbank--Shor--Steane base matrix pair. The base pair is permutation-equivalent to the known SPC(3) product CSS code,โ€ฆ

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Post-Newtonian Constraints on Scalar-Tensor Gravity

Alexandros Karam, Samuel Sanchez Lopez, Jose Jaime Terente Diaz ยท 2026

Solar-System constraints on a general scalar-tensor theory with generic non-minimal coupling function, non-canonical kinetic function, and scalar potential, are investigated in both the metric and Palโ€ฆ

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Heuristic Search for Minimum-Distance Upper-Bound Witnesses in Quantum APM-LDPC Codes

Kenta Kasai ยท 2026

This paper investigates certified upper bounds on the minimum distance of an explicit family of Calderbank-Shor-Steane quantum LDPC codes constructed from affine permutation matrices. All codes considโ€ฆ

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Sharp-interface VOF method for phase-change simulations on unstructured meshes

Jan Kren, Bojan Niceno, Yohei Sato ยท 2026

Unstructured meshes are among the most versatile approaches for capturing non-canonical geometries in fluid dynamics simulations. Despite this, most high-fidelity first-principles phase-change models โ€ฆ

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Irregularly Sampled Time Series Interpolation for Binary Evolution Simulations Using Dynamic Time Warping

Ugur Demir, Philipp M. Srivastava, Aggelos Katsaggelos, Vicky Kalogera, Santiago L. Tapia, Manuel Ballester, Shamal Lalvani, Patrick Koller, Jeff J. Andrews, Seth Gossage, Max M. Briel, Elizabeth Teng ยท 2026

Binary stellar evolution simulations are computationally expensive. Stellar population synthesis relies on these detailed evolution models at a fundamental level. Producing thousands of such models reโ€ฆ

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Induced Multi-phase Inflation with Reheating: Leptogenesis and Dark Matter Production in Metric versus Palatini

Nilay Bostan, Rafid H. Dejrah, Anish Ghoshal, Zygmunt Lalak ยท 2026

We study non-minimally coupled scalar-induced multi-phase inflation in metric and Palatini gravity, considering linear, Brans-Dicke-like, and Higgs-like sectors. The scalar spectral index lies in the โ€ฆ

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Optimized Gottesman-Kitaev-Preskill Error Correction via Tunable Preprocessing

Xiang-Jiang Chen, Hao-Miao Jiang, Liu-Jun Wang, Qing Chen ยท 2026

The Gottesman-Kitaev-Preskill (GKP) code is a promising bosonic candidate for realizing fault-tolerant quantum computation. Among existing error-correction protocols for GKP code, the Steane-type scheโ€ฆ

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Stern-Gerlach interferometry in three dimensions: the role of transverse fields

D. Meng, D. Z. Chan, J. D. D. Martin ยท 2026

We show that superficially similar implementations of Stern-Gerlach Interferometers (SGIs) are expected to differ dramatically in their sensitivity to fields transverse to the primary acceleration dirโ€ฆ

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The average X-ray spectrum of the volume-complete M-, F-, G-, and K-type star sample within 10 pc of the Sun

Xueying Zheng, Gabriele Ponti, Nicola Locatelli, Beate Stelzer, Enza Magaudda, Konrad Dennerl, Michael Freyberg, Jeremy Sanders, Marilena Caramazza, Manami Sasaki, Andrea Merloni, Jan Robrade, Teng Liu, He-shou Zhang, Martin G. F. Mayer, Yi Zhang, Michael C. H. Yeung, Werner Becker ยท 2026

F, G, K and M type stars are the most abundant stellar population in the Milky Way and are expected to contribute to its diffuse X-ray emission. Yet their intrinsic average X-ray spectrum remains poorโ€ฆ

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Finite-Degree Quantum LDPC Codes Reaching the Gilbert-Varshamov Bound

Kenta Kasai ยท 2026

We construct asymptotically good nested Calderbank-Shor-Steane (CSS) code pairs from Hsu-Anastasopoulos codes and MacKay-Neal codes. In the fixed-degree regime, we prove that the coding rate stays bouโ€ฆ

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Flagging the Clifford hierarchy:~Fault-tolerant logical $\frac{\pi}{2^l}$ rotations via measuring circuit gauge operators of non-Cliffords

Shival Dasu, Ben Criger ยท 2026

We provide a recursively defined sequence of flag circuits which will detect logical errors induced by non-fault-tolerant $R_{\overline{Z}}(\frac{\pi}{2^l})$ gates on CSS codes with a fault distance oโ€ฆ

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Astrophysical aspects of string compactifications

Mario Ramos-Hamud ยท 2026

A generic aspect of low-energy effective field theories (EFTs) coming from string compactifications is the appearance of moduli fields. Among these moduli, the axion and dilaton are present as (pseudoโ€ฆ

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Identifying AGNs from X-ray detections-I: Metallicity calibrations in AGNs with X-ray luminosity as the primary input parameter

Mark Armah, O. L. Dors, Rogerio Riffel, M. V. Cardaci, G.F.Hagele, Rogemar A.Riffel, J.M.Vilchez ยท 2026

We present the first semi-empirical strong-line calibrations to determine metallicity in Active Galactic Nuclei (AGNs) that use the directly observable X-ray luminosity (Lx) instead of the dimensionleโ€ฆ

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High-threshold magic state distillation with quantum quadratic residue codes

Michael Zurel, Santanil Jana, Nadish de Silva ยท 2026

We present applications of quantum quadratic residue codes in magic state distillation. This includes showing that existing codes which are known to distill magic states, like the $5$-qubit perfect coโ€ฆ

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