TY - JOUR

T1 - Gravity, cosmology and particle physics without the cosmological constant problem

AU - Guendelman, E. I.

AU - Kaganovich, A. B.

N1 - Funding Information:
∗This letter received an \honorable mention" from the Gravity Research Foundation, 1998 | Ed. yE-mail: [email protected] zE-mail: [email protected]

PY - 1998/6/21

Y1 - 1998/6/21

N2 - This letter elucidates recent achievements of the "nongravitating vacuum energy (NGVE) theory" which has the feature that a shift of the Lagrangian density by a constant does not affect dynamics. In the first-order formalism, a constraint appears that enforces the vanishing of the cosmological constant Λ. Standard dynamics of gauge unified theories (including fermions) and their SSB appear if a four-index field strength condensate is present. At the vacuum state, there is exact balance (to zero) of the gauge fields condensate and the original scalar fields potential. As a result it is possible to combine the solution of the Λ problem with inflation and transition to a Λ = 0 phase without fine tuning after a reheating period. The model opens new possibilities for a solution of the hierarchy problem.

AB - This letter elucidates recent achievements of the "nongravitating vacuum energy (NGVE) theory" which has the feature that a shift of the Lagrangian density by a constant does not affect dynamics. In the first-order formalism, a constraint appears that enforces the vanishing of the cosmological constant Λ. Standard dynamics of gauge unified theories (including fermions) and their SSB appear if a four-index field strength condensate is present. At the vacuum state, there is exact balance (to zero) of the gauge fields condensate and the original scalar fields potential. As a result it is possible to combine the solution of the Λ problem with inflation and transition to a Λ = 0 phase without fine tuning after a reheating period. The model opens new possibilities for a solution of the hierarchy problem.

UR - http://www.scopus.com/inward/record.url?scp=0002115090&partnerID=8YFLogxK

U2 - 10.1142/S0217732398001662

DO - 10.1142/S0217732398001662

M3 - Article

AN - SCOPUS:0002115090

SN - 0217-7323

VL - 13

SP - 1583

EP - 1586

JO - Modern Physics Letters A

JF - Modern Physics Letters A

IS - 19

ER -