Reconsidering extra time-like dimensions

Erdem, Recai; Ün, Cem Salih

doi:10.1140/epjc/s2006-02587-5

Cited by 10 publications

(13 citation statements)

References 13 publications

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“…We also note that the present theory, based on multi-dimensional forms of time, is also very different from models with extra timelike dimensions (see for example [38,39] and the references therein). While maintaining a quadratic form such models augment the 4-dimensional spacetime form on the right-hand side of equation 2 with a non-Lorentzian metric signature, with care then needed to avoid conflict with causality and unitarity.…”

Section: Establishing a Firm Foundationmentioning

confidence: 80%

The Structure of Matter in Spacetime from the Substructure of Time

Jackson¹

2018

Preprint

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The nature of the change in perspective that accompanies the proposal of a unified physical theory deriving from the single dimension of time is elaborated. On expressing a temporal interval in a multi-dimensional form, via a direct arithmetic decomposition, both the geometric structure of 4-dimensional spacetime and the physical structure of matter in spacetime can be derived from the substructure of time. While reviewing this construction, here we emphasise how the new conceptual picture differs from the more typical viewpoint in theoretical physics of accounting for the properties of matter by first postulating entities on top of a given spacetime background or by geometrically augmenting 4-dimensional spacetime itself. With reference to historical and philosophical sources we argue that the proposed perspective, centred on the possible arithmetic forms of time, provides an account for how the mathematical structures of the theory can relate directly to the physical structures of the empirical world.

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Section: Establishing a Firm Foundationmentioning

confidence: 80%

The Structure of Matter in Spacetime from the Substructure of Time

Jackson¹

2018

Preprint

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“…To this end, let us use the extra space with interval square (2) and time-like coordinates of the extra space [13]. The shortage of many-time idea and its solution is discussed in [14][15][16]. In the following we suppose that the idea is correct and substitute the minus signs in (12) by plus signs.…”

Section: Second Example Hierarchy Problemmentioning

confidence: 99%

The problem of small physical parameters and its possible solution

Rubin¹

2015

Preprint

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“…Most timelike extra dimension models are Kaluza-Klein type theory with compact extra time dimensions [11][12][13][14][15][16][17][18][19][20][21]. The constrains from unitarity and causality on the maximum radius of the internal time-like directions have been investigated [22][23][24][25]. Gravitation, electrodynamics and electroweak interaction were reconsidered in the sixdimensional spacetime with three times [26][27][28].…”

Section: Introductionmentioning

confidence: 99%

Hexad Preons and Emergent Gravity in 3-dimensional Complex Spacetime

Wang

2010

Preprint

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We suggest that at high energy each space dimension has their own time dimension, forming a 3-dimensional complex spacetime. Based on this hypothesis, we propose that the primordial universe is made of six fundamental anticommutative fields and their complex conjugate states. These fields are called Hexad Preons which carry hypercolor degree of freedom transforming under U (3, 3) gauge group. Upon the breakdown of the gauge group U (3, 3) to its maximal compact subgroup, U (3) ⊗ U (3), the metric emerges . Leptons, quarks, as well as other matter states may be formed from the subsequent condensate of Hexad Preons. Strong and electroweak forces are manifestations of the hypercolor interaction in the corresponding cases. Our framework may shed light on many problems in cosmology and particle physics.

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Reconsidering extra time-like dimensions

Cited by 10 publications

References 13 publications

The Structure of Matter in Spacetime from the Substructure of Time

The Structure of Matter in Spacetime from the Substructure of Time

The problem of small physical parameters and its possible solution

Hexad Preons and Emergent Gravity in 3-dimensional Complex Spacetime

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