An upper bound on the two-arms exponent for critical percolation on Zd

J. Van Den Berg; D. G.P. Van Engelenburg

doi:10.1214/21-AIHP1153

An upper bound on the two-arms exponent for critical percolation on Zd

J. Van Den Berg, D. G.P. Van Engelenburg

Mathematics

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

Consider critical site percolation on Zd with d ≥ 2. Cerf (Ann. Probab. 43 (2015) 2458-2480) pointed out that from classical work by Aizenman, Kesten and Newman (Comm. Math. Phys. 111 (1987) 505-532) and Gandolfi, Grimmett and Russo (Comm. Math. Phys. 114 (1988) 549-552) one can obtain that the two-arms exponent is at least 1/2. The paper by Cerf slightly improves that lower bound. Except for d = 2 and for high d, no upper bound for this exponent seems to be known in the literature so far (not even implicitly). We show that the distance-n two-arms probability is at least cn-(d2+4d-2) (with c > 0 a constant which depends on d), thus giving an upper bound d2+ 4d - 2 for the above mentioned exponent.

Original language	English
Pages (from-to)	1-6
Number of pages	6
Journal	Annales de l'institut Henri Poincare (B) Probability and Statistics
Volume	58
Issue number	1
DOIs	https://doi.org/10.1214/21-AIHP1153
Publication status	Published - Feb 2021

Bibliographical note

Publisher Copyright:
© Association des Publications de l'Institut Henri Poincaré, 2022.

Keywords

Critical exponent
Critical percolation

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10.1214/21-AIHP1153

Cite this

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abstract = "Consider critical site percolation on Zd with d ≥ 2. Cerf (Ann. Probab. 43 (2015) 2458-2480) pointed out that from classical work by Aizenman, Kesten and Newman (Comm. Math. Phys. 111 (1987) 505-532) and Gandolfi, Grimmett and Russo (Comm. Math. Phys. 114 (1988) 549-552) one can obtain that the two-arms exponent is at least 1/2. The paper by Cerf slightly improves that lower bound. Except for d = 2 and for high d, no upper bound for this exponent seems to be known in the literature so far (not even implicitly). We show that the distance-n two-arms probability is at least cn-(d2+4d-2) (with c > 0 a constant which depends on d), thus giving an upper bound d2+ 4d - 2 for the above mentioned exponent. ",

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AU - Van Engelenburg, D. G.P.

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PY - 2021/2

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N2 - Consider critical site percolation on Zd with d ≥ 2. Cerf (Ann. Probab. 43 (2015) 2458-2480) pointed out that from classical work by Aizenman, Kesten and Newman (Comm. Math. Phys. 111 (1987) 505-532) and Gandolfi, Grimmett and Russo (Comm. Math. Phys. 114 (1988) 549-552) one can obtain that the two-arms exponent is at least 1/2. The paper by Cerf slightly improves that lower bound. Except for d = 2 and for high d, no upper bound for this exponent seems to be known in the literature so far (not even implicitly). We show that the distance-n two-arms probability is at least cn-(d2+4d-2) (with c > 0 a constant which depends on d), thus giving an upper bound d2+ 4d - 2 for the above mentioned exponent.

AB - Consider critical site percolation on Zd with d ≥ 2. Cerf (Ann. Probab. 43 (2015) 2458-2480) pointed out that from classical work by Aizenman, Kesten and Newman (Comm. Math. Phys. 111 (1987) 505-532) and Gandolfi, Grimmett and Russo (Comm. Math. Phys. 114 (1988) 549-552) one can obtain that the two-arms exponent is at least 1/2. The paper by Cerf slightly improves that lower bound. Except for d = 2 and for high d, no upper bound for this exponent seems to be known in the literature so far (not even implicitly). We show that the distance-n two-arms probability is at least cn-(d2+4d-2) (with c > 0 a constant which depends on d), thus giving an upper bound d2+ 4d - 2 for the above mentioned exponent.

KW - Critical exponent

KW - Critical percolation

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An upper bound on the two-arms exponent for critical percolation on Zd

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Keywords

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