Betting on future physics
Mike D. Schneider

The ‘Cosmological Constant Problem’ (CCP) has historically been understood as describing a conflict between cosmological observations in the framework of general relativity (GR) and theoretical predictions from quantum field theory (QFT), which a future theory...

The “Cosmological Constant Problem” (CCP) is widely considered a crisis in contemporary theoretical physics. Unfortunately, the search for its resolution is hampered by open disagreement about what is, strictly, the problem....

The development of cosmological theories has been accompanied by philosophical debates inspired by the contrasts between cosmology and other areas of physics. This chapter reviews aspects of these debates from a historical perspective, beginning with debates about whether the uniqueness of the universe implies that cosmology needs a distinctive methodology...

Gaining Access to the Early Universe
Chris Smeenk

Do we need to reconsider scientific methodology in light of modern physics? Has the traditional scientific method become outdated, does it need to be defended against dangerous incursions, or has it always been different from what the canonical view suggests? To what extent should we accept non-empirical strategies for scientific theory assessment?...

T-dual cosmological solutions in double field theory
Robert Brandenberger et al.

We investigate the cosmological solutions coming from the double field theory equations of motion after coupling a matter source to them. Assuming constant dilaton and imposing the section condition with respect to the regular...

In this paper we present cosmological solutions of double field theory in the supergravity frame and in the winding frame which are related via T-duality. In particular...

A note on Saari's Treatment of Rotation Curve Analysis
Kevin Kadowaki

An analysis of analytical methods for computing galactic masses on the basis of observed rotation curves is shown to be flawed.

Geometry and Motion in General Relativity
James Owen Weatherall

A classic problem in general relativity, long studied by both physicists and philosophers of physics, concerns whether the geodesic principle may be derived from other principles of the...

Dark Energy in the Swampland
Robert Brandenberger et al.

In this article, we study the implications of string swampland criteria for dark energy in view of ongoing and future cosmological observations...

Dark Energy in the Swampland II
Robert Brandenberger et al.

In this recent Letter [1], we studied the implications of string Swampland conjectures for quintessence models of dark energy. A couple of days ago, a paper appeared [2] which refers to...

Inflations and the Origins of Structure
Chris Smeenk

Guth (Phys. Rev. D 23:347–56, 1981) provided a persuasive rationale for inflationary cosmology based on its ability to solve fine-tuning problems of big bang cosmology. Yet one of the most i…

Beyond Standard Inflationary Cosmology
Robert Brandenberger

The inflationary scenario is not the only paradigm of early universe cosmology which is consistent with current observations. General criteria will be presented which any successful early u …

Dual Space-Time and Nonsingular String Cosmology
Robert Brandenberger et al.

Making use of the T-duality symmetry of superstring theory and of the double geometry from double field theory, we argue that cosmological singularities of a homogeneous and isotropic univer…

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Publications List



Smeenk, C. “Inflation, Dark Matter, and Dark Energy,” (with Malcolm Longair), forthcoming in Oxford Handbook of the History of Modern Cosmology.

“Some Philosophical Prehistory of the Earman-Norton Hole Argument,” invited for inclusion in a special issue of Studies in History and Philosophy of Modern Physics on the philosophy of Howard Stein, E. Curiel, T. Pashby, and J. Weatherall, eds. Preprint.

Weatherall, J. “On Representational Redundancy, Surplus Structure, and the Hole Argument”, with Clara Bradley. Preprint.

Weatherall, J. “Why Not Categorical Equivalence?” Forthcoming in Hajnal Andreka and Istvan Nemeti on Unity of Science, J. Madarasz and G. Szekeley, eds. Preprint.

Koberinski, A. “Problems with the cosmological constant problem, forthcoming in Philosophy Beyond Spacetime, Oxford University Press. Preprint.”