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String Theory or Field Theory?

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arxiv hep-th/0212114 v1 pith:ABDU7YHB submitted 2002-12-10 hep-th

String Theory or Field Theory?

classification hep-th
keywords theorystringfieldquantumdevelopmentsphysicalworldalready
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The status of string theory is reviewed, and major recent developments - especially those in going beyond perturbation theory in the string theory and quantum field theory frameworks - are discussed. This analysis helps better understand the role and place of string theory in the modern picture of the physical world. Even though quantum field theory describes a wide range of experimental phenomena, it is emphasized that there are some insurmountable problems inherent in it - notably the impossibility to formulate the quantum theory of gravity on its basis - which prevent it from being a fundamental physical theory of the world of microscopic distances. It is this task, the creation of such a theory, which string theory, currently far from completion, is expected to solve. In spite of its somewhat vague current form, string theory has already led to a number of serious results and greatly contributed to progress in the understanding of quantum field theory. It is these developments which are our concern in this review.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Light scalars in light of UV/IR mixing: classicalization via synergy between Vainshtein and chameleon screenings

    hep-ph 2025-11 conditional novelty 5.0

    Classicalizing k-essence scalars need m << Λ* and, when potentials or fermion couplings are present, a chameleon-like screening layer to keep Vainshtein screening and classicalon stability intact.