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Articles 10201 - 10230 of 10327
Full-Text Articles in Entire DC Network
Order Of Phase Transitions In A Field Theory, V. Parameswaran Nair
Order Of Phase Transitions In A Field Theory, V. Parameswaran Nair
Publications and Research
The relation between the gauge or global nature of a symmetry being broken and the order of the associated phase transition is clarified. First-order phase transitions in gauge theories are related to the asymptotic freedom of the Φ3 interaction in six dimensions. Spontaneous violation of lepton number in the standard electroweak theory provides a nontrivial illustration of our results.
Second-Order Phase Transitions, Inflationary Universe, And Formation Of Galaxies, V. Parameswaran Nair
Second-Order Phase Transitions, Inflationary Universe, And Formation Of Galaxies, V. Parameswaran Nair
Publications and Research
At the critical point of a second-order phase transition, statistical fluctuations are correlated and enhanced in amplitude. We explore this phenomenon in the early universe as a possible mechanism for the formation of galaxies. In an inflationary universe, such dynamical effects on galactic scales are consistent with the constraints imposed by the horizon. Spontaneous breakdown of lepton number provides a model where these ideas are realized. The two-point correlation function for density fluctuations is calculated and agrees with the observed correlation for galaxies. An estimate of the density contrast is shown to be of the required magnitude.
The Evolution Of Economics-Based Empirical Research In Accounting, Ross L. Watts Dr.
The Evolution Of Economics-Based Empirical Research In Accounting, Ross L. Watts Dr.
Publications and Research
No abstract provided.
Analytical Review Techniques For Auditors, Robert G. May Dr.
Analytical Review Techniques For Auditors, Robert G. May Dr.
Publications and Research
No abstract provided.
Generalized Bohr-Sommerfeld Rules For Anomalies With Applications To Symmetry Breakdown And Decoupling, A. P. Balachandran, V. P. Nair, C. G. Trahern
Generalized Bohr-Sommerfeld Rules For Anomalies With Applications To Symmetry Breakdown And Decoupling, A. P. Balachandran, V. P. Nair, C. G. Trahern
Publications and Research
In the presence of anomalies, the requirement that a classical symmetry group G has a proper action on the fermion measure or in the effective Lagrangian description imposes Bohr-Sommerfeld conditions on the anomalies, and often implies that G is broken to a subgroup H as well. We show these results in this paper and apply them to QCD and SU(5). In particular, constraints on the QCD order parameter are derived, and an argument is presented which suggests that the breakdown of the chiral flavor symmetry and the emergence of some sort of generation structure in QCD may be natural.
Soliton States In The Quantum-Chromodynamic Effective Lagrangian, A. P. Balachandran, V. Parameswaran Nair, S. G. Rajeev, A. Stern
Soliton States In The Quantum-Chromodynamic Effective Lagrangian, A. P. Balachandran, V. Parameswaran Nair, S. G. Rajeev, A. Stern
Publications and Research
The work of Skyrme has shown that the SU(2)×SU(2) chiral model has nontrivial topological sectors which admit solitons for generic chiral Lagrangians. In this paper, we study such models in the presence of baryon fields. The baryon number and strangeness of the solitons, and the bound states of the nucleon to the soliton are investigated. It is found that long-lived levels with large baryon number B and strangeness (≳6 in magnitude) and masses somewhere in the range 1.8 to 5.6 GeV must exist. Some of these levels have half-integral electric charge and exotic relation between B and spin s (e.g., …
Scientific Collecting In Caves, Aldemaro Romero Jr.
Scientific Collecting In Caves, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
Genetical, Morphological And Behavioral Studies On The Evolutionary Biology Of The Astyanax Species Complex Of Middle America, Aldemaro Romero Jr.
Genetical, Morphological And Behavioral Studies On The Evolutionary Biology Of The Astyanax Species Complex Of Middle America, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
The Acquisition Of Sign Meaning In Deaf Children Of Hearing Parents, Sue Livingston
The Acquisition Of Sign Meaning In Deaf Children Of Hearing Parents, Sue Livingston
Publications and Research
How do Deaf children of non-signing parents go about the process of assigning signs to their referents? It seems that much like hearing children, they initially use signs in their everyday conversations that do not always mean the referents they were intended to mean. The findings presented here are the result of six case studies of semantic development over a period of 15 months of children ranging in age from six to sixteen who were raised without sign language and had no instruction in sign language until being placed in a New York City school where sign language was used. …
Random Notes On The Hebrew-Arabic Lexicon, Richard S. Tomback
Random Notes On The Hebrew-Arabic Lexicon, Richard S. Tomback
Publications and Research
No abstract provided.
Archaic Features In The Iraqi Arabic Dialect, Richard S. Tomback
Archaic Features In The Iraqi Arabic Dialect, Richard S. Tomback
Publications and Research
No abstract provided.
Introgressive Hybridization In A Population Of Astyanax Fasciatus (Pisces: Characidae) At La Cueva Chica, Aldemaro Romero Jr.
Introgressive Hybridization In A Population Of Astyanax Fasciatus (Pisces: Characidae) At La Cueva Chica, Aldemaro Romero Jr.
Publications and Research
No abstract provided.
The Musical Language Of Kindertotenlieder No. 2, V. Kofi Agawu
The Musical Language Of Kindertotenlieder No. 2, V. Kofi Agawu
Publications and Research
Three times during his compositional career, Mahler turned to the medium of the orchestral song cycle either to experiment with or to refine certain technical procedures. This resulted in a variety of methods for establishing large-scale tonal coherence, using song as a resource for later symphonic composition, and stylizing folk material, melodically and rhythmically. These compositional techniques are clearly exemplified in Mahler's three cycles, Lieder eines fahrenden Gesellen (1883-85), Kindertotenlieder (1901-04), and Das Lied von der Erde (1907-08).
Managers' Emphasis On The Short Run: Implications For Accounting, A. Rashad Abedel Khalik Dr.
Managers' Emphasis On The Short Run: Implications For Accounting, A. Rashad Abedel Khalik Dr.
Publications and Research
No abstract provided.
Exotic Levels From Topology In The Quantum-Chromodynamic Effective Lagrangian, A. P. Balachandran, V. Parameswaran Nair, S. G. Rajeev, A. Stern
Exotic Levels From Topology In The Quantum-Chromodynamic Effective Lagrangian, A. P. Balachandran, V. Parameswaran Nair, S. G. Rajeev, A. Stern
Publications and Research
Skyrme has shown that the SU ⊗ SU(2) chiral model has nontrivial topological sectors with static solutions for suitable Lagrangians. The baryon number B and strangeness of these sectors have been studied, and the existence of bound states of the nucleon field to the lightest solitons is shown. It is found that there must be long-lived levels with |B|≳6 and |s|≳6 and 1.8 GeV≲m≲5.6 GeV, some having half-integral charge and exotic relation between B and s, that can be pair produced in, say, e+e− collisions.
Aspects Of Duality In Chiral Field Theories, A. P. Balachandran, V. Parameswaran Nair, B. S. Skagerstam, C. G. Trahern
Aspects Of Duality In Chiral Field Theories, A. P. Balachandran, V. Parameswaran Nair, B. S. Skagerstam, C. G. Trahern
Publications and Research
The Abelian and non-Abelian gauge potentials Auv are known to describe chiral fields. Here we study their interactions with dual extended objects. The region occupied by these objects is shown to behave like a distinct phase of chiral fields which is nondissipative under suitable geometric conditions. A method for the realization of the 't Hooft algebra in these systems is outlined. The concept of electric and magnetic duality in electromagnetism is generalized to chiral fields with values in a symmetric space.
Nonperturbative Proof Of The Non-Abelian Anomalies, A. P. Balachandran, G. Marmo, V. P. Nair, C. G. Trahern
Nonperturbative Proof Of The Non-Abelian Anomalies, A. P. Balachandran, G. Marmo, V. P. Nair, C. G. Trahern
Publications and Research
We give a nonperturbative derivation of non-Abelian anomalies.
Cash Flow Reporting: An Innovation Or A Return To The Beginning?, Michael P. Bohan Cpa
Cash Flow Reporting: An Innovation Or A Return To The Beginning?, Michael P. Bohan Cpa
Publications and Research
No abstract provided.
Academic Versus Practioner Research In Accounting, Robert E. Jensen.
Academic Versus Practioner Research In Accounting, Robert E. Jensen.
Publications and Research
No abstract provided.
Psalm 23:2 Reconsidered, Richard S. Tomback
Psalm 23:2 Reconsidered, Richard S. Tomback
Publications and Research
No abstract provided.
Coloured Monopoles From Fractional Charges In Ocd, A. P. Balachandran, V. Parameswaran Nair, C. G. Trahern
Coloured Monopoles From Fractional Charges In Ocd, A. P. Balachandran, V. Parameswaran Nair, C. G. Trahern
Publications and Research
In a recent paper, Slansky et al. have suggested that SU(3)c may be broken to SO(3) X Z, in order to explain the possible existence of fractionally charged states. We point out that there are low mass monopoles associated with such a symmetry breakdown and discuss their properties. Such states may be observable at LEP if not at PETRA energies.
Interpretation Of Inflation Accounting Information, William C. Norby Financial Consultant (Retired),
Interpretation Of Inflation Accounting Information, William C. Norby Financial Consultant (Retired),
Publications and Research
No abstract provided.
An Integrated Information Capability For Policy Analysis, William (Bill) H. Williams
An Integrated Information Capability For Policy Analysis, William (Bill) H. Williams
Publications and Research
AN INTEGRATED INFORMATION CAPABILITY FOR POLICY ANALYSIS INTRODUCTION AND SUMMARY 0 Consideration of optimum organizational structures for maximum effectiveness of quantitative information flows in support of policy decisions seems to be haphazard, nonexistent, or at best secondary to other organizational issues. As a result we undertook to examine data bases, data flows, and their related models and analyses, with a view to developing reconnnended organizational characteristics. "Study of information organizations and their supporting data and models reveals that common data bases, models and analysis all coincide with common uses. Further, common use equates to common levels of organizational (dis)aggregation. The …
Disabled Women: Sexism Without The Pedestal, Michelle Fine, Adrienne Asch
Disabled Women: Sexism Without The Pedestal, Michelle Fine, Adrienne Asch
Publications and Research
The position of the disabled woman in current U.S. society deserves political, theoretical and empirical attention. In this paper we have delineated the economic, social and psychological constraints which place her at a distinct disadvantage, relative to disabled men and nondisabled women. We evaluate the ways in which having a disability is viewed as an impediment to traditional or nontraditional sex role development. The construct rolelessness is introduced, defined and examined. We conclude with reconmiendations for needed research and policy.
What Does The Earnings Number Measure?, Jack L. Treynor
What Does The Earnings Number Measure?, Jack L. Treynor
Publications and Research
No abstract provided.
Physical Capital: An Examination, Robert R. Sterling
Physical Capital: An Examination, Robert R. Sterling
Publications and Research
No abstract provided.
Foundationalism And The Proper Stopping Place For Socratic Questioning, Richard Legum
Foundationalism And The Proper Stopping Place For Socratic Questioning, Richard Legum
Publications and Research
No abstract provided.
Conclusion. Bibliography., Richard Legum
Conclusion. Bibliography., Richard Legum
Publications and Research
No abstract provided.
Probability, Terminating Judgments, Memory, And Justified Belief, Richard Legum
Probability, Terminating Judgments, Memory, And Justified Belief, Richard Legum
Publications and Research
No abstract provided.
Chisholm's Rules Of Evidence, Richard Legum
Chisholm's Rules Of Evidence, Richard Legum
Publications and Research
No abstract provided.