<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE article  PUBLIC "-//NLM//DTD Journal Publishing DTD v3.0 20080202//EN" "http://dtd.nlm.nih.gov/publishing/3.0/journalpublishing3.dtd"><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" dtd-version="3.0" xml:lang="en" article-type="research article"><front><journal-meta><journal-id journal-id-type="publisher-id">JMP</journal-id><journal-title-group><journal-title>Journal of Modern Physics</journal-title></journal-title-group><issn pub-type="epub">2153-1196</issn><publisher><publisher-name>Scientific Research Publishing</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.4236/jmp.2012.329169</article-id><article-id pub-id-type="publisher-id">JMP-23123</article-id><article-categories><subj-group subj-group-type="heading"><subject>Articles</subject></subj-group><subj-group subj-group-type="Discipline-v2"><subject>Physics&amp;Mathematics</subject></subj-group></article-categories><title-group><article-title>
 
 
  General Relation Connecting the Fundamental Fields
 
</article-title></title-group><contrib-group><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>ukul</surname><given-names>Chandra Das</given-names></name><xref ref-type="aff" rid="aff1"><sup>1</sup></xref><xref ref-type="corresp" rid="cor1"><sup>*</sup></xref></contrib><contrib contrib-type="author" xlink:type="simple"><name name-style="western"><surname>Rampada</surname><given-names>Misra</given-names></name><xref ref-type="aff" rid="aff2"><sup>2</sup></xref></contrib></contrib-group><aff id="aff2"><addr-line>Department of Electronics, Vidyasagar University, Midnapore, West Bengal, India</addr-line></aff><aff id="aff1"><addr-line>Singhania University, Jhunjhunu, India</addr-line></aff><author-notes><corresp id="cor1">* E-mail:<email>mukuldas.100@gmail.com(UCD)</email>;</corresp></author-notes><pub-date pub-type="epub"><day>28</day><month>09</month><year>2012</year></pub-date><volume>03</volume><issue>09</issue><fpage>1311</fpage><lpage>1313</lpage><history><date date-type="received"><day>June</day>	<month>3,</month>	<year>2012</year></date><date date-type="rev-recd"><day>July</day>	<month>18,</month>	<year>2012</year>	</date><date date-type="accepted"><day>July</day>	<month>25,</month>	<year>2012</year></date></history><permissions><copyright-statement>&#169; Copyright  2014 by authors and Scientific Research Publishing Inc. </copyright-statement><copyright-year>2014</copyright-year><license><license-p>This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/</license-p></license></permissions><abstract><p>
 
 
  There are four fundamental forces; gravitational force, electromagnetic force, strong force and weak force, in the well known physics. The unified field theory considers the constructive relations among these forces or fields. In the present work the fundamental relations have been studied and trial has been made to derive more significant relations among the known fields. This gives out a generalized unification.
 
</p></abstract><kwd-group><kwd>Fundamental Force; Unified Field; Generalized Relation</kwd></kwd-group></article-meta></front><body><sec id="s1"><title>1. Introduction</title><p>According to Newton’s law, two bodies of mass <img src="26-7500726\b503c433-c8b2-4ca2-b35f-3e3ac8a05fa1.jpg" /> and <img src="26-7500726\dfe5d29d-508d-42ad-a20b-e6b21251ac41.jpg" /> attract one another with gravitational force whose magnitude is<img src="26-7500726\9c9272a1-ba14-4c85-9043-3c64adb9b658.jpg" />. But Einstein’s general relativity does not consider gravity as a force rather it is a space-time curvature. As in [<xref ref-type="bibr" rid="scirp.23123-ref1">1</xref>] Newtonian field equation is<img src="26-7500726\6d9cbd48-24dc-4dc1-a0fa-57e899e72f5e.jpg" />, but in general relativity the Einstein equation is<img src="26-7500726\807af004-a1ac-4c6e-9182-a0113ba0f0cf.jpg" />. On the other hand Maxwell equations [<xref ref-type="bibr" rid="scirp.23123-ref2">2</xref>] are the field equations of electromagnetism that relate the electromagnetic field to its source-charge and current. But Einstein’s equation relates the space-time curvature to its sourcethe mass-energy of matter. The well known unified electromagnetic field Equations [<xref ref-type="bibr" rid="scirp.23123-ref2">2</xref>] are <img src="26-7500726\bedfba92-59d1-4035-85a6-c66d869539d1.jpg" /> and</p><p><img src="26-7500726\e97b0b84-de1f-4100-91c0-878e1ffbb2a6.jpg" />. These imply that one observer’s electric field is another’s magnetic field and that depends on the relativity. In 1935, H. Yukawa proposed a theory on generation of strong force [<xref ref-type="bibr" rid="scirp.23123-ref3">3</xref>] which deals with particle physics. This theory implies a relation between electromagnetic field and strong field. After a long year of this contribution, the weak force and the electromagnetic force were unified in a theory presented independently by A. Salam, Weinberg and Glashow [4-6]. Afterwards a lot of papers, regarding unified field theory, have been published. However, in [7,8], trial have been made to deduce relations among the known fields (i.e. gravitational field, electromagnetic field, strong field) following a constructive method, which may satisfy the dream of Einstein’s fields unification. The present work is the modified formulation of unified field equations as discussed in [7,8].</p></sec><sec id="s2"><title>2. Modified Relation among the Fields</title><p>The well known relations between electric field and magnetic field are</p><disp-formula id="scirp.23123-formula72098"><label>(1)</label><graphic position="anchor" xlink:href="26-7500726\53d4daed-a105-4aa3-935e-6553e6ff4d64.jpg"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.23123-formula72099"><label>(2)</label><graphic position="anchor" xlink:href="26-7500726\16dab3fb-6d5c-43ea-8499-264944751947.jpg"  xlink:type="simple"/></disp-formula><p>From (1) and (2) we shall have the matrix form of these field transformation as</p><disp-formula id="scirp.23123-formula72100"><label>(3)</label><graphic position="anchor" xlink:href="26-7500726\99c95c3f-4abe-4ce5-b2c5-b0149639cc56.jpg"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.23123-formula72101"><label>(4)</label><graphic position="anchor" xlink:href="26-7500726\997d1e26-913c-4c39-ba7f-1b4ce4726454.jpg"  xlink:type="simple"/></disp-formula><p>where<img src="26-7500726\ce14fe0d-a268-4705-b47a-66c646ac395e.jpg" />, <img src="26-7500726\2c15d676-5f4c-42ea-b0b5-2b1f5ff7ffd4.jpg" />are two constants. Again, we would obtain from relativistic electrodynamics [<xref ref-type="bibr" rid="scirp.23123-ref2">2</xref>] the relations</p><disp-formula id="scirp.23123-formula72102"><label>(5)</label><graphic position="anchor" xlink:href="26-7500726\7b517b31-879f-4aa0-a799-80002677c38a.jpg"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.23123-formula72103"><label>(6)</label><graphic position="anchor" xlink:href="26-7500726\19027dd5-e3c2-4b6d-8dda-85f4168983b6.jpg"  xlink:type="simple"/></disp-formula><p>where, <img src="26-7500726\7a3f2396-dd4a-4a86-ab64-f4e2335394e0.jpg" />is the proper velocity. So, using (3) and (4) we get from (5) and (6)</p><disp-formula id="scirp.23123-formula72104"><label>(7)</label><graphic position="anchor" xlink:href="26-7500726\864d8e58-85a0-437c-b36c-11440d94aa9d.jpg"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.23123-formula72105"><label>(8)</label><graphic position="anchor" xlink:href="26-7500726\99e5ac2a-c4f3-404c-b001-02657cba0527.jpg"  xlink:type="simple"/></disp-formula><p><img src="26-7500726\d2c51843-dec9-47bb-974c-84554fb94328.jpg" />are also two constants.</p><p>where, <img src="26-7500726\c4d068f1-368f-4aca-825e-7c65667f4a3c.jpg" /></p><p>But, <img src="26-7500726\5e5fee34-29cd-490d-be8a-1748e9103f24.jpg" />are not separate. These are included in a field which is called electromagnetic field. According to [9,10] electromagnetic field function<img src="26-7500726\17cbd6d6-70d1-4895-ad95-ec7c6aa2675d.jpg" />. So, from (7) and (8) we get a generalized relation</p><disp-formula id="scirp.23123-formula72106"><label>(9)</label><graphic position="anchor" xlink:href="26-7500726\89ae92e5-51f0-42a0-b8c1-aa5e33220bd6.jpg"  xlink:type="simple"/></disp-formula><p>where, <img src="26-7500726\db62e10b-874e-4297-be7b-f7aa46cef7db.jpg" /></p><p>This means that<img src="26-7500726\ab4a1c6b-7ffc-44b3-a4d2-98b3a212db88.jpg" /> transfer to<img src="26-7500726\ed62c1fe-6e26-4d10-876e-d61f5a795862.jpg" /> respectively in<img src="26-7500726\3da29ec8-7e46-410e-b9fe-5ed7bcc928bd.jpg" />. In [<xref ref-type="bibr" rid="scirp.23123-ref7">7</xref>] it reveals that through two simultaneous superimposed motions gravitational field transfers to electromagnetic field and the relation is</p><disp-formula id="scirp.23123-formula72107"><label>(10)</label><graphic position="anchor" xlink:href="26-7500726\097a5db0-ed1d-40ee-acab-d665b4c01969.jpg"  xlink:type="simple"/></disp-formula><p>where<img src="26-7500726\afe6397f-6910-4d90-b05d-aac7249e8573.jpg" />, <img src="26-7500726\b3296279-ecf0-4027-b7db-ddbc59070624.jpg" />, and</p><p><img src="26-7500726\6da57c3f-3731-46b0-acd3-9dc0fe843549.jpg" />as in [<xref ref-type="bibr" rid="scirp.23123-ref7">7</xref>]. Again in [<xref ref-type="bibr" rid="scirp.23123-ref8">8</xref>] relation between strong field and electromagnetic field is given by</p><disp-formula id="scirp.23123-formula72108"><label>(11)</label><graphic position="anchor" xlink:href="26-7500726\93c18167-9110-4725-a476-24b435ba56af.jpg"  xlink:type="simple"/></disp-formula><p>This leads to a relation between strong gravitational field (strong field) and weak gravitational field <img src="26-7500726\091db2d7-a76e-47b5-bcb2-6b81e6b3c009.jpg" /> which is</p><disp-formula id="scirp.23123-formula72109"><label>(12)</label><graphic position="anchor" xlink:href="26-7500726\b78e05db-91b2-4e9c-a0c8-98caaa75f457.jpg"  xlink:type="simple"/></disp-formula><p>Equations (7), (8), (10) and (11) are analogous. So, following (5) and (6) we can write the relations in vectorial form as</p><disp-formula id="scirp.23123-formula72110"><label>(13)</label><graphic position="anchor" xlink:href="26-7500726\cea5f8a3-ef2d-4b59-808a-a5b36a2ebe3f.jpg"  xlink:type="simple"/></disp-formula><disp-formula id="scirp.23123-formula72111"><label>(14)</label><graphic position="anchor" xlink:href="26-7500726\e43f837a-c08c-4a0e-a142-a7e70047c18b.jpg"  xlink:type="simple"/></disp-formula><p>where, <img src="26-7500726\84220deb-cae6-497d-b4d4-b98fa51b0301.jpg" />in (13) represents weak gravitational field and <img src="26-7500726\c774af57-a71d-44c0-a0e8-ce55c16a8f2e.jpg" /> in (14) represents strong gravitational field or strong field. <img src="26-7500726\dc680ee9-2467-47a2-85bc-27e1e5c3d171.jpg" />is the composed velocity as in [<xref ref-type="bibr" rid="scirp.23123-ref7">7</xref>] as well as four-velocity. In (13) and (14) <img src="26-7500726\23a9e54a-bcc7-4fc0-abc4-7aa3dc1e8915.jpg" />are two constants.</p><p>Again from (12), (13) and (14) we can consider the vector relation between strong field and weak gravitational field which would give</p><disp-formula id="scirp.23123-formula72112"><label>(15)</label><graphic position="anchor" xlink:href="26-7500726\ad5fe1e5-3c7c-4934-898e-fafd5d6f0503.jpg"  xlink:type="simple"/></disp-formula><p>where, <img src="26-7500726\167f5dc2-592d-429c-9285-21783e89bd40.jpg" />is a constant like <img src="26-7500726\33c45fb7-b5a1-45a6-b1e0-9c39dd2e3982.jpg" /> and <img src="26-7500726\a929069b-5aa3-4ab6-a739-7bc539cf12df.jpg" /></p></sec><sec id="s3"><title>3. Conclusion</title><p>In this work a constructive vector relation among the fields has been deduced. Equations (13)-(15) represent such relations which can clear the concepts of fields transformations. These also imply that field transformations are associated with relativistic phenomenon in different frames.</p></sec><sec id="s4"><title>4. Acknowledgements</title><p>Author thanks the authorities and staff of Satmile High School, Satmile-721452, West Bengal, India for their continuous encouragements.</p></sec><sec id="s5"><title>REFERENCES</title></sec><sec id="s6"><title>NOTES</title></sec></body><back><ref-list><title>References</title><ref id="scirp.23123-ref1"><label>1</label><mixed-citation publication-type="other" xlink:type="simple">J. B. Hartle, “Gravity. An Introduction to Einstein’s General Relativity,” 3rd Edition, Pearson Education Inc, India, 2009, p. 510. </mixed-citation></ref><ref id="scirp.23123-ref2"><label>2</label><mixed-citation publication-type="other" xlink:type="simple">D. J. 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