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Scalar field

Dynamics and Phenomenology of Scalar Field Dark Matter through the Higgs Portal

Dynamics and Phenomenology of Scalar Field Dark Matter through the Higgs Portal

... the scalar field only acquires mass after the electroweak phase transition, behaving as dark radiation before the latter takes ...Higgs field the dark scalar is stable, for a negative coupling ...

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Polchinski ERG Equation in O(N) Scalar Field Theory

Polchinski ERG Equation in O(N) Scalar Field Theory

... motivates the present investigation where we study the space of solutions of the leading order Polchinski equation in d-dimensional O(N ) scalar field theory. We expect that this enables us to gain an ...

8

From scalar field theories to supersymmetric quantum mechanics

From scalar field theories to supersymmetric quantum mechanics

... of scalar field models that engenders distinct topological sectors in Sec 3, where we investigate specific models and then add a general statement, which we prove at the very end of ...

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REPRESENTATION OF GRADIENTS OF A SCALAR FIELD ON THE SPHERE USING A 2D FOURIER EXPRESSION

REPRESENTATION OF GRADIENTS OF A SCALAR FIELD ON THE SPHERE USING A 2D FOURIER EXPRESSION

... direct consequence, the Fourier series representation on the sphere is generalized to any linear functional of the scalar field. This generalization is done by using spectral transfers that relate the ...

6

Scale-invariant scalar field dark matter through the Higgs portal

Scale-invariant scalar field dark matter through the Higgs portal

... oscillating scalar field coupled to the Higgs boson that accounts for the dark matter in the ...the scalar field only acquires mass after the electroweak phase transition, behaving as dark ...

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Hadamard states for a scalar field in anti-de Sitter spacetime with arbitrary boundary conditions

Hadamard states for a scalar field in anti-de Sitter spacetime with arbitrary boundary conditions

... conformal scalar field on PAdS 2 , I find the correct expression for G þ ðx; x 0 Þ and show that, notwithstanding this problem, it still has the Hadamard ...

4

A simple model of exotic compact objects : interaction with a scalar field

A simple model of exotic compact objects : interaction with a scalar field

... to scalar field perturbations obtaining a set of critical surface radii for the ECO that can be in equilibrium with a static scalar field non-trivial ...

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Tachyon Scalar Field Cosmology

Tachyon Scalar Field Cosmology

... tachyon scalar fields admit scaling attractors, but the equation of state for dark matter should be negative in order to realize the accelerated expansion, making such solution physically unacceptable ...of ...

119

On the global uniqueness for the Einstein-Maxwell-scalar field system with a cosmological constant. Part 2: structure of the solutions and stability of the cauchy horizon

On the global uniqueness for the Einstein-Maxwell-scalar field system with a cosmological constant. Part 2: structure of the solutions and stability of the cauchy horizon

... Maxwell-scalar field system with a cosmological constant Λ, with the data on the outgoing initial null hypersurface given by a subextremal Reissner- Nordström black hole event horizon, and the remaining ...

45

Diagrammar in classical scalar field theory

Diagrammar in classical scalar field theory

... scattering field. This field needs the development of a perturbative approach to real ...classical field. This last step, at least for a scalar field, has already achieved some progress ...

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Scalar field dark matter and the Higgs field

Scalar field dark matter and the Higgs field

... oscillating scalar field as a plausible dark matter candidate, provided that it is stable and yields the correct present ...the field will begin to oscillate after inflation when m φ ' ...the ...

16

Gravitational Field Shielding by Scalar Field and Type II Superconductors

Gravitational Field Shielding by Scalar Field and Type II Superconductors

... gravitational field shielding by scalar field and type II superconductors are theoret- ically ...a scalar field, which unifies the Einsteinian general relativity and Maxwellian ...

5

On the global uniqueness for the Einstein–Maxwell-scalar field system with a cosmological constant: part 3. Mass inflation and extendibility of the solutions

On the global uniqueness for the Einstein–Maxwell-scalar field system with a cosmological constant: part 3. Mass inflation and extendibility of the solutions

... This paper is the third part of a trilogy dedicated to the following prob- lem: given spherically symmetric characteristic initial data for the Einstein- Maxwell-scalar field system with a cosmological constant Λ, ...

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Scalar field dark matter with spontaneous symmetry breaking and the  $3.5$ keV line

Scalar field dark matter with spontaneous symmetry breaking and the $3.5$ keV line

... oscillating scalar field that acquires both mass and a non-zero expectation value from interactions with the Higgs ...matter scalar field can be sufficiently heavy during inflation, due to a non-minimal coupling ...

6

From supersymmetric quantum mechanics to scalar field theories

From supersymmetric quantum mechanics to scalar field theories

... the field, its symmetric ( ¯ ϕ 0 ¼ 0) and asymmetric ( ¯ ϕ  ¼ 1) minima suggest the possibility of describing a first-order phase transition, and this cannot be described by the ϕ 4 model of ...

6

Balancing a static black ring with a phantom scalar field

Balancing a static black ring with a phantom scalar field

... However, there is no fundamental obstruction forbidding the existence of balanced configurations, and we show that the Einstein–Klein-Gordon equations admit numerical solutions describing[r] ...

9

Polchinski ERG equation and 2D scalar field theory

Polchinski ERG equation and 2D scalar field theory

... was also pointed out there that to the level of the local potential approximation only the continuum limits described by periodic solutions and corresponding to critical sine-Gordon models could be obtained. To find the ...

9

New scalar compact objects in Ricci-based gravity theories

New scalar compact objects in Ricci-based gravity theories

... canonical scalar field in GR, we have generated new exact solutions in the above mentioned gravity theories coupled to (non-canonical) scalar ...

21

Quantum cosmology of scalar-tensor theories and self-adjointness

Quantum cosmology of scalar-tensor theories and self-adjointness

... This paper is organised as follows. In next section we quantise a model with a Lagrangian with a non-minimal coupled scalar field and matter fluid, establishing the corresponding Wheeler-DeWitt equation in ...

12

Electromagnetic dual Einstein-Maxwell-scalar models

Electromagnetic dual Einstein-Maxwell-scalar models

... effective field theory describing open string excitations in string theory ...effective field theory is an Einstein-Maxwell-dilaton-axion model, where the dilaton is a scalar field and the ...

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