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Paper Abstract and Keywords
Presentation 2023-12-14 15:20
On Poynting Vector in Static Electromagnetic Field [III] -- Physical Meaning of Energy Flow Velocity --
Yoshio Karasawa AP2023-159
Abstract (in Japanese) (See Japanese page) 
(in English) The Poynting vector represented by E×H has an important function in the radiation analysis of antennas or so. In the energy conservation law (i.e. Poynting equation) derived from Maxwell's equations, it appears as a quantity of energy per second (i.e., electric power) flowing out from the unit surface of a closed region. In [1], we stated that there is energy flow following the Poynting vector even in a static electromagnetic field. And the formula for energy flow speed derived there has a strange shape. Moreover, in [2], we showed that the static electromagnetic field can be explained in a consistent way by considering it as a sum of two fundamental electromagnetic fields whose energies are moving at the speed of light in the opposite directions. In this report, based on our previous reports, we will pursue a physical meaning of the energy flow velocity from electromagnetic momentum viewpoint.
Keyword (in Japanese) (See Japanese page) 
(in English) static electromagnetic field / Poynting vector / energy flow / energy flow velocity / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 309, AP2023-159, pp. 24-29, Dec. 2023.
Paper # AP2023-159 
Date of Issue 2023-12-07 (AP) 
ISSN Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF AP2023-159

Conference Information
Committee AP  
Conference Date 2023-12-14 - 2023-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2023-12-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) On Poynting Vector in Static Electromagnetic Field [III] 
Sub Title (in English) Physical Meaning of Energy Flow Velocity 
Keyword(1) static electromagnetic field  
Keyword(2) Poynting vector  
Keyword(3) energy flow  
Keyword(4) energy flow velocity  
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1st Author's Name Yoshio Karasawa  
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Speaker Author-1 
Date Time 2023-12-14 15:20:00 
Presentation Time 25 minutes 
Registration for AP 
Paper # AP2023-159 
Volume (vol) vol.123 
Number (no) no.309 
Page pp.24-29 
#Pages 6 
Date of Issue 2023-12-07 (AP) 

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