Results 101 to 110 of about 9,732 (215)

A lower bound on volumes of end‐periodic mapping tori

Journal of Topology, Volume 18, Issue 3, September 2025.
Abstract We provide a lower bound on the volume of the compactified mapping torus of a strongly irreducible end‐periodic homeomorphism f:S→S$f: S \rightarrow S$. This result, together with work of Field, Kim, Leininger, and Loving [J. Topol. 16 (2023), no.
Elizabeth Field, Autumn Kent, Christopher Leininger, Marissa Loving   +3 more
wiley   +1 more source

Discrete Gauge Groups in F-theory Models on Genus-One Fibered Calabi-Yau 4-folds without Section [PDF]

, 2017
We determine the discrete gauge symmetries that arise in F-theory compactifications on examples of genus-one fibered Calabi-Yau 4-folds without a section.
Kimura, Yusuke
core   +2 more sources

Legendrian non‐isotopic unit conormal bundles in high dimensions

Journal of Topology, Volume 18, Issue 3, September 2025.
Abstract For any compact connected submanifold K$K$ of Rn$\mathbb {R}^n$, let ΛK$\Lambda _K$ denote its unit conormal bundle, which is a Legendrian submanifold of the unit cotangent bundle of Rn$\mathbb {R}^n$. In this paper, we give examples of pairs (K0,K1)$(K_0,K_1)$ of compact connected submanifolds of Rn$\mathbb {R}^n$ such that ΛK0$\Lambda _{K_0}$
Yukihiro Okamoto
wiley   +1 more source

SO(32) heterotic standard model vacua in general Calabi-Yau compactifications

Journal of High Energy Physics, 2018
We study a direct flux breaking scenario in SO(32) heterotic string theory on general Calabi-Yau threefolds. The direct flux breaking, corresponding to hypercharge flux breaking in the F-theory context, allows us to derive the Standard Model in general ...
Hajime Otsuka, Kenta Takemoto
doaj   +1 more source

Moduli Stabilization in Type IIB Flux Compactifications

, 2005
In the present paper, we reexamine the moduli stabilization problem of the Type IIB orientifolds with one complex structure modulus in a modified two-step procedure.
Huan-Xiong Yang, J. Wess, S. J. Gates
core   +2 more sources

Two Micron‐Size Dark Dimensions

Fortschritte der Physik, Volume 73, Issue 8, August 2025.
Abstract Two extra dimensions of micron scale might simultaneously address the gauge and cosmological hierarchy problems. In this paper various observational bounds in scenarios with one and two large extra dimensions are examined, to see if they are compatible with the micron scale.
Luis A. Anchordoqui, Ignatios Antoniadis, Dieter Lüst   +2 more
wiley   +1 more source

Flux compactifications in string theory: a comprehensive review

, 2005
We present a pedagogical overview of flux compactifications in string theory, from the basic ideas to the most recent developments. We concentrate on closed string fluxes in type II theories.
Acharya, Acharya, Andrianopoli, Andrianopoli, Andrianopoli, Andrianopoli, Andrianopoli, Angelantonj, Angelantonj, Antoniadis, Antoniadis, Ashok, Balasubramanian, Balasubramanian, Barbieri, Becker, Becker, Becker, Becker, Becker, Becker, Behrndt, Behrndt, Behrndt, Benvenuti, Berg, Berg, Bergshoeff, Berkovits, Berkovits, Bigazzi, Blumenhagen, Blumenhagen, Blumenhagen, Bobkov, Bodner, Bodner, Bousso, Bouwknegt, Breckenridge, Brunner, Brustein, Buchbinder, Buchel, Burgess, Butti, Camara, Camara, Camara, Candelas, Candelas, Cardoso, Cardoso, Cascales, Cascales, Cascales, Cascales, Cecotti, Choi, Conlon, Costa, Cremmer, Curio, Curio, Curio, Curio, Cvetic, Cvetic, Dabholkar, Dall’Agata, Dall’Agata, Dall’Agata, Dall’Agata, Dall’Agata, Dall’Agata, Dasgupta, de Alwis, de Wit, Denef, Denef, Denef, Denef, Derendinger, Derendinger, DeWolfe, DeWolfe, Dijkstra, Dine, Dine, Douglas, Douglas, D’Auria, D’Auria, D’Auria, D’Auria, Ellis, Ferrara, Ferrara, Fidanza, Flournoy, Font, Frey, Frey, Frey, Frey, Friedrich, Gauntlett, Gauntlett, Gauntlett, Gauntlett, Giddings, Giddings, Giddings, Gillard, Giryavets, Giryavets, Gorlich, Gowdigere, Gran, Graña, Graña, Graña, Graña, Graña, Greene, Grimm, Grimm, Gukov, Gukov, Gukov, Gurrieri, Gurrieri, Gutowski, Haack, Hassan, Hellerman, Horne, House, House, Ivanov, Jeschek, Joyce, Kachru, Kachru, Kachru, Kachru, Kachru, Kachru, Kachru, Kallosh, Kaloper, Kaste, Kaste, Kaste, Kaste, Kiritsis, Klebanov, Kodaira, Lawrence, Lindstrom, Louis, Lust, Lust, Lust, Mac Conamhna, Maldacena, Maldacena, Maldacena, Marchesano, Marchesano, Marchesano, Marchesano, Mariana Graña, Martelli, Mayr, Michelson, Misra, Ooguri, Papadopoulos, Pilch, Pilch, Polchinski, Polchinski, Randall, Randall, Salomon, Saltman, Saulina, Scherk, Scherk, Schulz, Sen, Strominger, Strominger, Strominger, Taylor, Taylor, Tomasiello, Tripathy, Tripathy, Tripathy, Vafa, Vafa, Verlinde, Villadoro, Wess, Witten, Zucchini   +207 more
core   +3 more sources

Modeling General Asymptotic Calabi–Yau Periods

Fortschritte der Physik, Volume 73, Issue 7, July 2025.
Abstract In the quest to uncovering the fundamental structures that underlie some of the asymptotic Swampland conjectures the authors initiate the general study of asymptotic period vectors of Calabi–Yau manifolds. The strategy is to exploit the constraints imposed by completeness, symmetry, and positivity, which are formalized in asymptotic Hodge ...
Brice Bastian, Thomas W. Grimm, Damian van de Heisteeg   +2 more
wiley   +1 more source

Scale separation from O-planes

Journal of High Energy Physics
Orientifold planes play a crucial role in flux compactifications of string theory, and we demonstrate their deep connection to achieving scale-separated solutions.
George Tringas, Timm Wrase
doaj   +1 more source

Nuclear magnetic resonance properties of silica glass under pressure up to 2 Mbar: A view from ab initio calculations

Journal of the American Ceramic Society, Volume 108, Issue 7, July 2025.
Abstract The structures of silica (SiO2) glasses at high pressure provide insight into the thermo‐mechanical properties of chemically complex amorphous oxides upon stress, compression, and indentation. While much of our knowledge on glass structures has been garnered from high‐resolution solid‐state nuclear magnetic resonance (NMR) by probing the ...
Jae‐Hyeon Parq, Yoo Soo Yi, Sang‐Mook Lee, Jaejun Yu, Sung Keun Lee   +4 more
wiley   +1 more source