-
81
Exact (1 + 3 + 6)-Dimensional Cosmological-Type Solutions in Gravitational Model with Yang–Mills Field, Gauss–Bonnet Term and Λ Term
Published 2023-03-01“…We study so-called cosmological-type solutions defined on the product manifold <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>M</mi><mo>=</mo><mi mathvariant="double-struck">R</mi><mo>×</mo><msup><mrow><mi mathvariant="double-struck">R</mi></mrow><mn>3</mn></msup><mo>×</mo><mi>K</mi></mrow></semantics></math></inline-formula>, where <i>K</i> is <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>6</mn><mi>d</mi></mrow></semantics></math></inline-formula> a Calabi–Yau manifold. By setting the gauge field 1-form to coincide with the 1-form spin connection on <i>K</i>, we obtain exact cosmological solutions with exponential dependence of scale factors (upon <i>t</i>-variable) governed by two non-coinciding Hubble-like parameters: <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>></mo><mn>0</mn></mrow></semantics></math></inline-formula> and <i>h</i> obeying <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>H</mi><mo>+</mo><mn>2</mn><mi>h</mi><mo>≠</mo><mn>0</mn></mrow></semantics></math></inline-formula>. …”
Get full text
Article -
82
Mirror symmetry in emergent gravity
Published 2017-09-01“…In particular, the doubling for the variety of emergent Calabi–Yau manifolds allows us to arrange a pair of Calabi–Yau manifolds such that they are mirror to each other. …”
Get full text
Article -
83
Duality Between the Webs of Heterotic and Type II Vacua
Published 1996“…We discuss how transitions in the space of heterotic K3*T^2 compactifications are mapped by duality into transitions in the space of Type II compactifications on Calabi-Yau manifolds. We observe that perturbative symmetry restoration, as well as non-perturbative processes such as changes in the number of tensor multiplets, have at least in many cases a simple description in terms of the reflexive polyhedra of the Calabi-Yau manifolds. …”
Journal article -
84
Lectures on special Lagrangian geometry
Published 2001“…We introduce special Lagrangian submanifolds in C^m and in (almost) Calabi-Yau manifolds, and survey recent results on singularities of special Lagrangian submanifolds, and their application to the SYZ Conjecture. …”
Journal article -
85
Comments on A,B,C Chains of Heterotic and Type II Vacua
Published 1997“…We construct, as hypersurfaces in toric varieties, Calabi-Yau manifolds corresponding to F-theory vacua dual to E8*E8 heterotic strings compactified to six dimensions on K3 surfaces with non-semisimple gauge backgrounds. …”
Journal article -
86
Toric geometry and dualities of string theory
Published 1999“…The (0,2) vacua require an understanding of vector bundles on Calabi-Yau manifolds and these are much less well understood than the Calabi-Yau manifolds themselves. …”
Conference item -
87
Toric geometry and dualities of string theory
Published 1999“…The (0,2) vacua require an understanding of vector bundles on Calabi-Yau manifolds and these are much less well understood than the Calabi-Yau manifolds themselves. …”
Conference item -
88
RELATION BETWEEN THE WEIL-PETERSSON AND ZAMOLODCHIKOV METRICS
Published 1990“…We derive the Weil-Petersson metric on the moduli space of Calabi-Yau manifolds from that of Zamolodchikov, as the limit where the coupling tensors of the corresponding non-linear σ-model depend only on constant modes of the string coordinates.…”
Journal article -
89
Triadophilia: A Special Corner in the Landscape
Published 2007“…We draw attention to the fact that there appear to be very few Calabi--Yau manifolds with the Hodge numbers h^{11} and h^{21} both small. …”
Journal article -
90
Relationship between two Calabi–Yau orbifolds arising as hyper–surfaces in a quotient of the same weighted projective space
Published 2023-09-01“…In this article we consider a question: what is the relation between two Calabi-Yau manifolds of two different Berglund–Hubsch types if they appear as hyper–surfaces in the quotient of the same weighted projective space. …”
Get full text
Article -
91
Hodge numbers for all CICY quotients
Published 2017“…We present a general method for computing Hodge numbers for Calabi-Yau manifolds realised as discrete quotients of complete intersections in products of projective spaces. …”
Journal article -
92
Hyperconifold Transitions, Mirror Symmetry, and String Theory
Published 2011“…The new hyperconifold transitions are also used to construct a small number of new Calabi-Yau manifolds, with small Hodge numbers and fundamental group Z_3 or Z_5. …”
Journal article -
93
Singularities of special Lagrangian submanifolds
Published 2003“…We survey what is known about singularities of special Lagrangian submanifolds (SL $m$-folds) in (almost) Calabi-Yau manifolds. The bulk of the paper summarizes the author's work [18-22] on SL $m$-folds $X$ with isolated conical singularities. …”
Book section -
94
ROLLING AMONG CALABI-YAU VACUA
Published 1990“…For a very large number of Calabi-Yau manifolds of many different numerical invariants and hence distinct homotopy types, the relevant moduli spaces can be assembled into a connected web. …”
Journal article -
95
Type IIB flux compactifications with h 1,1 = 0
Published 2022-06-01“…Abstract We revisit flux compactifications of type IIB string theory on ‘spaces’ dual to rigid Calabi-Yau manifolds. This rather unexplored part of the string landscapes harbors many interesting four-dimensional solutions, namely supersymmetric N $$ \mathcal{N} $$ = 1 Minkowski vacua without flat direction and infinite families of AdS vacua, some potentially with unrestricted rank for the gauge group. …”
Get full text
Article -
96
Tops as building blocks for G2 manifolds
Published 2017“…These building blocks, which are appropriate K3-fibred threefolds, are shown to have a natural and elegant construction in terms of tops, which parallels the construction of Calabi-Yau manifolds via reflexive polytopes. In particular, this enables us to prove combinatorial formulas for the Hodge numbers and other relevant topological data.…”
Journal article -
97
Singularities of special Lagrangian submanifolds
Published 2003“…We survey what is known about singularities of special Lagrangian submanifolds (SL m-folds) in (almost) Calabi-Yau manifolds. The bulk of the paper summarizes the author's five papers math.DG/0211294, math.DG/0211295, math.DG/0302355, math.DG/0302356, math.DG/0303272 on SL m-folds X with isolated conical singularities. …”
Book section -
98
-
99
Heterotic compactification, an algorithmic approach
Published 2007“…This is done in the context of complete intersection Calabi-Yau manifolds in a single projective space where we classify positive monad bundles. …”
Journal article -
100
Non-perturbative topological string theory on compact Calabi-Yau 3-folds
Published 2024-03-01“…We obtain analytic and numerical results for the non-perturbative amplitudes of topological string theory on arbitrary, compact Calabi-Yau manifolds. Our approach is based on the theory of resurgence and extends previous special results to the more general case. …”
Get full text
Article