--- title: "On the Attractive or Repulsive Nature of Casimir Force in D-Dimensional Minkowski Spacetime • CBPF Index" description: "CBPF INDEX is the system that tracks the scientific and technological output of CBPF. It lists the articles, books, technical reports and other publications of the whole CBPF community." canonical_url: "https://index.cbpf.br/en/publicacoes/6ad2a767639f62b11adbb6c5" locale: en meta: "og:description": "CBPF INDEX is the system that tracks the scientific and technological output of CBPF. It lists the articles, books, technical reports and other publications of the whole CBPF community." "og:image": "https://index.cbpf.br/_og/d/c_Item%2Ctitulo_On%2Bthe%2BAttractive%2Bor%2BRepulsive%2BNature%2Bof%2BCasimir%2BForce%2Bin%2BD-Dimensional%2BMinkowski%2BSpacetime%2Ctipo_Physics%2BNote%2Ccor_~I2E4MmMwMA%2Cautores_~Ri4gQ2FydXNvOyBOZWxzb24gUGludG8gTmV0bzsgQi5GLiBTdmFpdGVyOyBOLkYuIFN2YWl0ZXI%2Cdetalhe_1990%2Csecao_Publications%2Cp_Ii9lbi9wdWJsaWNhY29lcy82YWQyYTc2NzYzOWY2MmIxMWFkYmI2YzUi%2Cs_hvYYIYdpExMO9MoN.png" "og:image:height": "600" "og:image:type": image/png "og:image:width": "1200" "og:title": "On the Attractive or Repulsive Nature of Casimir Force in D-Dimensional Minkowski Spacetime • CBPF Index" "twitter:image": "https://index.cbpf.br/_og/d/c_Item%2Ctitulo_On%2Bthe%2BAttractive%2Bor%2BRepulsive%2BNature%2Bof%2BCasimir%2BForce%2Bin%2BD-Dimensional%2BMinkowski%2BSpacetime%2Ctipo_Physics%2BNote%2Ccor_~I2E4MmMwMA%2Cautores_~Ri4gQ2FydXNvOyBOZWxzb24gUGludG8gTmV0bzsgQi5GLiBTdmFpdGVyOyBOLkYuIFN2YWl0ZXI%2Cdetalhe_1990%2Csecao_Publications%2Cp_Ii9lbi9wdWJsaWNhY29lcy82YWQyYTc2NzYzOWY2MmIxMWFkYmI2YzUi%2Cs_hvYYIYdpExMO9MoN.png" --- > Index of every page on this site: [llms.txt](https://index.cbpf.br/llms.txt) **Physics Note****Published** # **On the Attractive or Repulsive Nature of Casimir Force in D-Dimensional Minkowski Spacetime** **F. Caruso; Nelson Pinto Neto; B.F. Svaiter; N.F. Svaiter** 1990 [**Download PDF **0.6 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb6c5/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=On%20the%20Attractive%20or%20Repulsive%20Nature%20of%20Casimir%20Force%20in%20D-Dimensional%20Minkowski%20Spacetime) ## **Publication details**
Authors
F. Caruso; Nelson Pinto Neto; B.F. Svaiter; N.F. Svaiter
Type
Physics Note
Status
Published
Publication date
1990
Description
The dependence of Casimir energy (associated to a massless scalar field) on spacetime dimensionality <math>(D)\,\!</math> is shown to be strongly entangled with the type of the geometric bounds and the kind of macroscopic boundary conditions imposed to the field. In the case of massless scalar field satisfying Dirichlet <math>b.c.\,\!</math> in the presence of a hyperparallelepipedal cavity with p sides of finite length <math>L\,\!</math> and <math>D-p-1\,\!</math> sides with length much greater than <math>L\,\!</math>, a new compact integral formula, more suitable to analyze the nature of the Casimir force, is obtained. The force results to be attractive if <math>p\,\!</math> is odd or for very large even values of <math>p\,\!</math>, irrespective of <math>D\,\!</math>. For each small even p there exists a critical spacetime dimension <math>D_{c}(p)\,\!</math> such that: the force is repulsive if <math>D < D_{c}\,\!</math> and attractive otherwise. As a consequence of these results, the instability of the semiclassical Abraham-Lorentz-Casimir model of the electron is proved to depend on the spacetime dimensionality.
Year
1990
Number
CBPF-NF-019/90
Linked to a thesis
No
Linked to a grant
No
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