Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"fifth force"”.
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Galaxy-Scale Signatures of Screened Modified Gravities
… scalar field mediates gravitational-strength 'fifth forces'. For such scalar fields to retain cosmological relevance while also evading stringent constraints from high-precision post-Newtonian tests of gravity, 'screening mechanisms' are invoked, in which the fifth force is suppressed in …
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Motion in a scalar field
… If unscreened, the scalar exerts an attractive “fifth” force on the electron and, moreover, transforms the vacuum cavity into a dielectric medium due to its interactions with electromagnetic fields. Because these effects introduce different amounts of systematic bias into each experiment, good …
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Aspects of Screened Modified Gravity
… profile around such black holes, compute the fifth force and demonstrate that the work done by the fifth force is small compared to the energy lost due to radiation in General Relativity. Further we drop the assumption of a static black hole and investigate the time- dependent solution of the …
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Precision Metrology with Ytterbium Ions for New Physics Search
… beyond the Standard Model is a carrier of a fifth force. Such a hypothetical particle that mediates interactions between leptons and quarks can potentially be detected in a tabletop atomic clock experiment. In particular, the isotope shift measurements may show sensitivity to coupling induced …
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Obstacles to realizing Quintessence from String Theory
… the volume modulus becomes too light to avoid fifth-force constraints. We call this the "light volume problem". Furthermore, the masses of the SUSY partners of standard-model fields turn out too light as well, so we need a further source of SUSY breaking. Introducing an appropriate …
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Trapping and Cooling of Bosonic Strontium for a Long-Baseline Atomic Interferometer Observatory and Network (AION)
… waves, scalar and vector-ultralight dark matter, fifth-force, and macroscopic tests of quantum mechanics. Dark matter and gravitational waves hold the key to unlocking the intricacies of the universe. For example, dark matter explains why galaxies retain their structural integrity despite high …
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On the Generation of Entanglement in Ytterbium Clock Atoms and a Novel Interpretation of the Madelung Fluid Theory of Quantum Mechanics
… This forumlation emphasizes the importance of a fifth fundamental force, the gradient of the quantum potential, which allows for the stability of matter and helps demonstrate a clear transition from classical to quantum regimes. This fifth force summarizes effects, that in the canonical theory, …
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Flavourful beyond the Standard Model physics at current and future colliders
The Standard Model of particle physics successfully explains nearly all non-gravitational phenomena observed in nature. Yet, both theoretical considerations and experimental data suggest that the model is incomplete and must be extended. This thesis investigates "flavourful" beyond the Standard …
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Exploring Non-Minimality in New Physics Beyond the Standard Model
… has traditionally been appealed to as a guiding force in the organisation of our experimental explorations of this space to date, with a handful of simple benchmark scenarios receiving the lion's share of attention. With all dedicated searches for new physics as-yet returning null results …