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Perturbative Approach to Higher Derivative and Nonlocal Theories
High Energy Physics - Theory · Submitted 19 Nov 2001
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim It enables us to construct a consistent Poisson structure and Hamiltonian with only first time derivatives order by order in coupling.
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The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.
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The abstract, sentence by sentence
We review a perturbative approach to deal with Lagrangians with higher or infinite order time derivatives. It enables us to construct a consistent Poisson structure and Hamiltonian with only first time derivatives order by order in coupling. To the lowest order, the Hamiltonian is bounded from below whenever the potential is. We consider spacetime noncommutative field theory as an example.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | We review a perturbative approach to deal with Lagrangians with higher or infinite order time derivatives. | contribution 0.86 | 0.36 | 0.10 | asserted 0.93 |
| s1 | It enables us to construct a consistent Poisson structure and Hamiltonian with only first time derivatives order by order in coupling. | result 0.53 | 0.78 | 0.46 | asserted 0.94 |
| s2 | To the lowest order, the Hamiltonian is bounded from below whenever the potential is. | result 1.00 | 0.80 | 0.27 | asserted 0.99 |
| s3 | We consider spacetime noncommutative field theory as an example. | contribution 0.55 | 0.70 | 0.03 | asserted 0.77 |
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The paper
Original abstract
We review a perturbative approach to deal with Lagrangians with higher or infinite order time derivatives. It enables us to construct a consistent Poisson structure and Hamiltonian with only first time derivatives order by order in coupling. To the lowest order, the Hamiltonian is bounded from below whenever the potential is. We consider spacetime noncommutative field theory as an example.
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References
How the literature uses it
10 arXiv papers cite this in 18 sentences
Papers citing it · 6 sentences without a confident label
Uses its method or tool 2 papers
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The aim of the present paper is to quantize a two-dimensional noncommutative QED perturbatively in the first order approximation using the method described in [ref] .
Perturbative quantization of two-dimensional space-time noncommutative QED · Introduction · 0.99
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We use the following procedure in the canonical formalism [ref] .
Geometric Entropies and their Hamiltonian Flows · Particle example · 0.98
Compares with it 1 paper
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This feature marks a major difference from the perturbative treatments of nonlocal theories [ref] .
UV Effects and Short-Lived Hawking Radiation: Alternative Resolution of Information Paradox · Nonlocality in String Field Theory · 0.84
Cites it as support 1 paper
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If we view the higher derivatives simply as corrections and expand perturbatively around the two-derivative solutions, then we have the same degrees of freedom as the two-derivative theory, and all our issues with instabilities and ghosts go away [ref] .
Explorations in Precision Holography and Higher-derivative Supergravity · Higher derivatives · 0.96
Cites it as background 4 papers
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These include field redefinitions [ref] , constraint-based reductions [ref] , and order-by-order constructions of an effective canonical structure [ref] .
Canonical quantization of the Pais-Uhlenbeck oscillator with a higher-derivative perturbation: a covariant phase space approach · Introduction · 0.98
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As for dealing with ghosts, attempts can be classified according to whether the approach is perturbative [ref] or not [ref] , but a definite answer is yet to be found.
An Alternative Canonical Approach to the Ghost Problem in a Complexified Extension of the Pais-Uhlenbeck Oscillator · Introduction · 0.98
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As for dealing with ghosts attempts can be classified according to whether the approach is perturbative [ref] or not [ref] , but a definite answer is yet to be found.
Coping with the Pais-Uhlenbeck oscillator's ghosts in a canonical approach · Introduction · 0.97
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