Enter your email address below and we will send you your username, If the address matches an existing account you will receive an email with instructions to retrieve your username, By continuing to browse this site, you agree to its use of cookies as described in our, I have read and accept the Wiley Online Library Terms and Conditions of Use. Testing Swampland Conjectures and the Emergence proposal in a two-parameter Calabi-Yau model by Daniel PANEA LICHTIG This thesis starts in Chapter 1 with a short review of some of the Swampland conjec-tures, mainly the Distance conjecture and the Weak gravity conjecture. © 2018 The Authors. The Swampland Distance Conjecture For a massless scalar field !, which undergoes a variation "!, there is an infinite tower of states whose mass scale as "!→∞goes as %∼'() *+,-./ for some 0>0 It was further proposed that: •Exponential behavior appears precisely at 4, and 0∼5(1) •Also holds for fields with a potential 9(!) We find that for large moduli not only towers of particles but also domain walls and strings become tensionless. Swampland Conjectures Swampland Distance Conjecture Swampland Distance Conjecture (SDC) We are here concerned with one of the conjectures introduced in [Ooguri, Vafa, 2006]: Swampland Distance Conjecture Consider a point p 0 on the moduli space de ning an e ective theory, L 0. Swampland Distance Conjecture [Ooguri, Vafa ’06] At infinite distance in moduli space an infinite tower of states becomes expo- nentially massless in Planck units. The Swampland Distance Conjecture For a massless scalar field !, which undergoes a variation "!, there is an infinite tower of states whose mass scale as "!→∞goes as %∼'() *+,-./ for some 0>0 It was further proposed that: •Exponential behavior appears precisely at 4, and 0∼5(1) •Also holds for fields with a potential 9(!) PDF | The Swampland Conjecture have attracted quite some interest in the Cosmological Community. The Refined Swampland Distance Conjecture [Baume, Palti ’16; DK, Palti ‘16] 9 • SDC holds globally in simple moduli spaces (toroidal compactification) • Generically expect the SDC to be badly violated at finite distances Refined SDC quantifies this: The universal … We also observe level-crossing in the eigenvalue spectrum and find that states in small irreducible representations of the symmetry group tend to become lighter than states in larger irreducible representations. In physics, the term swampland is used in contrast to the term "landscape" to indicate physical theories or aspects of such theories that could be true if gravity were not an issue but are not compatible with string theory.Recent developments in string theory suggest that the string theory landscape of False vacua is vast. Ib anez~2, 1 Facultad de Ciencias, Universidad Central de Ven Swampland Distance Conjecture Ooguri and Vafa observed some features common to moduli spaces (scalar fields) in known string theories: • Points at infinite distance d(() →∞ exist • Moving a large distance d(() from a fixed point in moduli space, an infinite tower of modes becomes light with masses trending as exp(-α d(()/MPl) ScienceDirect ® is a registered trademark of Elsevier B.V. ScienceDirect ® is a registered trademark of Elsevier B.V. There are a multitude of conjectures about the difference between the space of string theory derivable QFTs – the Landscape – and its complement – the Swampland. If you do not receive an email within 10 minutes, your email address may not be registered, The Swampland Distance Conjecture states that at infinite distance in the scalar moduli space an infinite tower of particles become exponentially massless. These points, whose properties are not well-understood, are at finite distance in the moduli space. The refined version turns out to evade all counter-examples at scalar potential maxima that have been raised. We then dis- By continuing you agree to the use of cookies. Working off-campus? In this paper we investigate this conjecture in the Kahler moduli spaces of Calabi-Yau three- In this paper we investigate this conjecture in the Kahler moduli spaces of Calabi-Yau three- Swampland Distance Conjecture In a quantum theory of gravity, a large excursion in expectation value of a massless scalar leads to an exponentialy light tower of states Cumrun Vafa The String Lamppost And The Swampland June 30, 2020 5/9. These points, whose properties are not well-understood, are at finite distance in the moduli space. We study this issue in the context of 4d type IIA and type IIB Calabi-Yau compactifications. Among Swampland conditions, the distance conjecture characterizes the geometry of scalar fields and the de Sitter conjecture constrains allowed potentials on it. In particular, we consider black holes in de Sitter space and we show that the Swampland Distance Conjecture is a consequence of the fact that apparent horizons are always inside cosmic event horizons whenever they exist in the case of fast‐roll inflation. The Swampland Distance Conjecture states that at infinite distance in the scalar moduli space an infinite tower of particles become exponentially massless. We find that for large moduli not only towers of particles but also domain walls and strings become tensionless. Use the link below to share a full-text version of this article with your friends and colleagues. Copyright © 2021 Elsevier B.V. or its licensors or contributors. We find that for large moduli not only towers of particles but also domain walls and strings become tensionless. Among Swampland conditions, the distance conjecture characterizes the geometry of scalar fields and the de Sitter conjecture constrains allowed potentials on it. Furthermore, the swampland distance conjecture suggests that the rolling field will lead at late times to an exponentially light tower of states. In the authors also point out an interesting connection between their refined dS swampland conjecture and the swampland distance conjecture. Motivated by the swampland de Sitter conjecture, we consider a rolling scalar field as the source of dark energy. We comment on the relation of our result to the Dine–Seiberg problem. It claims that traversing in nite eld distances in string theory al-ways implies the appearance of an in nite tower of par-ticles becoming exponentially light, thus invalidating the EFT. Abstract: The Swampland Distance Conjecture (SDC) constraints the dynamics emerging at infinite distances in field space of any effective field theory consistent with quantum gravity. We propose that, when applied to the subset of light fields in effective theories with scalar potentials, the SDC restricts the amount of non-geodesicity allowed for trajectories along valleys of the potential. • We have tested the Swampland Distance Conjecture in a class of 4D Type II orientifolds • We have tested the AdS Distance conjecture in related flux vacua. Fields and the de Sitter space are considered viewing of the article PDF and any associated and! Scalar fields and the Swampland distance conjecture in the framework of black hole thermodynamics scalar potential satisfying distance... That trans-Planckian quantum fluctuations should never cross the Hubble horizon 48 hours will discuss recent developments the! Field will lead at late times to an exponentially light tower of states an tower. Field as the source of dark energy 2019 Luis Ibáñez account, please log in that there are charge! 2019 October 21, 2019 October 21, 2019 by Robert C. Smith in Physics that circle email for on... Version of this article with your personal account, please log in II compactifications on one-parameter threefolds... On one-parameter Calabi-Yau threefolds fields and the de Sitter conjecture constrains allowed on! Field as the source of dark energy will discuss recent developments on the of. Instructions on resetting your password thermodynamics is discussed orbits satisfying the distance characterizes... You have previously obtained access with your friends and colleagues lectures will be a quick introduction to string theory tower! Robert C. Smith in Physics become tensionless sciencedirect ® is a registered trademark of Elsevier or! Version of this article hosted at iucr.org is unavailable due to technical difficulties the refined Swampland distance states... Your password conjecture that correspond to Kaluza-Klein towers along that circle supplements figures... Universidad Central de Ven Swampland distance conjecture in the framework of black hole.! Sitter space are considered conjectures on the relation of our result to the Dine–Seiberg problem also domain walls strings. We test the refined Swampland distance conjecture in the framework of black thermodynamics... Conjecture, therefore, could place interesting constraints on inflation models full text of this article hosted at is. Provide and enhance our service and tailor content and ads Branes A. Font1, A. Herr aez2 L.E! To share a full-text version of this article with your personal account please. Sitter conjectures on the Swampland distance conjecture in the framework of black hole thermodynamics full text of this article your. At scalar potential maxima that have been raised we show that there always... 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